If you aim to have a web presence, you've got to have email. It's a convenient way for potential customers and clients to send you a message, Word document, or other files. Thankfully, most web hosts include email in the price of their hosting plans. Some web hosts offer unlimited email account creation (which is great for future growth), while others offer a finite amount. You, naturally, should want unlimited email.
Domain names are created to make IP addresses easy to remember. Every computer has an IP address assigned to it - much like a street address. But instead of having to memorize each IP address number, we assign domain names to these numbers so we can easily remember them. The domain name system, or DNS, takes domain names and translates them into their IP addresses so that computers can communicate with one another.

Similar to the dedicated web hosting service, but the user owns the colo server; the hosting company provides physical space that the server takes up and takes care of the server. This is the most powerful and expensive type of web hosting service. In most cases, the colocation provider may provide little to no support directly for their client's machine, providing only the electrical, Internet access, and storage facilities for the server. In most cases for colo, the client would have his own administrator visit the data center on site to do any hardware upgrades or changes. Formerly, many colocation providers would accept any system configuration for hosting, even ones housed in desktop-style minitower cases, but most hosts now require rack mount enclosures and standard system configurations.
9. HostFavIn a nutshell, HostFav is the first hosting provider website owners think for Linux or Windows (ASP.NET). The service also comes with a cloud VPS server to enable advertising offers from Google, Bing, and other leading sites. It indicates clearly the benefits for users looking to monetize online content. Reaching out to them is an option also for those looking to register a professional domain related to their business, as well as buyers of SSL certificate to protect sensitive data, and enable online transfers. HostFav excels in support, regardless of the plan you’ve chosen (you can reach agents via 24/7 live chat, email, phone, or by filling online tickets), and you can also make use of their vast base of training materials to get your site up and running. Since HostFav was powered by the open-source community in the first place, it helps out with free Hosting, Linux VPS server, Dedicated IPv4/IPv6 for selected open-source projects. 

Domain names serve to identify Internet resources, such as computers, networks, and services, with a text-based label that is easier to memorize than the numerical addresses used in the Internet protocols. A domain name may represent entire collections of such resources or individual instances. Individual Internet host computers use domain names as host identifiers, also called hostnames. The term hostname is also used for the leaf labels in the domain name system, usually without further subordinate domain name space. Hostnames appear as a component in Uniform Resource Locators (URLs) for Internet resources such as web sites (e.g., en.wikipedia.org).
The best web hosting service right now is Bluehost. Based in Utah, Bluehost is the preferred partner for WordPress, the world's favourite website builder. This service does a great job of balancing price and features for less experienced businesses, while offering lots of options for more advanced users. Its shared hosting packages start with a very reasonable 'basic' plan, targeted at home users.
The practice of using a simple memorable abstraction of a host's numerical address on a computer network dates back to the ARPANET era, before the advent of today's commercial Internet. In the early network, each computer on the network retrieved the hosts file (host.txt) from a computer at SRI (now SRI International),[4][5] which mapped computer hostnames to numerical addresses. The rapid growth of the network made it impossible to maintain a centrally organized hostname registry and in 1983 the Domain Name System was introduced on the ARPANET and published by the Internet Engineering Task Force as RFC 882 and RFC 883.
Hostingspell is a big fraud company. All the fraudsters are sitting there to grab customers hard earned money. I have gone through several Hostingspell reviews and saw all the positive reviews, then I purchased two hosting services from them and before purchase they told me that they have 7 days refund policy. After purchasing, my site was migrated and then I saw a third grade hosting performance. Their server remains down almost all the time. When contacted they replied 'Our upsilon server crashed due to high IO usage'. My live site remains down for several times in a day. Then I purchased 4x performance upgrade plan thinking that the issue can be resolved. But no improvement. Then I asked them to cancel the hosting and refund my money. Till then one of my hosting accounts has crossed 7 days but other didn't crossed even 48 hours. Their whatsapp agent told me that Refund is not available after 36 hours although they told me about 7 days refund policy. The intention is only deny the refund request. I will slap the agent if I got him in front of me. The fraud was clearly observed from the whatsapp chat. When contacting Sales support, they replied that after 7 days refund is not possible. Two agents of the same company told two different words. Now you think what's happening there. Please guys don't believe in their fake reviews. Don't go for cheap hosting companies. Don't waste your valuable money and time.
The host may also provide an interface or control panel for managing the Web server and installing scripts, as well as other modules and service applications like e-mail. A web server that does not use a control panel for managing the hosting account, is often referred to as a "headless" server. Some hosts specialize in certain software or services (e.g. e-commerce, blogs, etc.).
The most basic is web page and small-scale file hosting, where files can be uploaded via File Transfer Protocol (FTP) or a Web interface. The files are usually delivered to the Web "as is" or with minimal processing. Many Internet service providers (ISPs) offer this service free to subscribers. Individuals and organizations may also obtain Web page hosting from alternative service providers. 

2. HostingerIf you’re looking for a cheap, yet very efficient MySQL, FTP & PHP hosting service, look no further than Hostinger. Developed to support individual site owners, small and developing businesses, Hostinger secures a free domain, unlimited disk and bandwidth, unrestricted access to premium support, and one of the fastest WordPress hosting services. In such fashion, Hostinger attracted over 29 million of free and paid clients on its side. Currently, it is investing in web design supplies to boost this number even more.A 30-day money-back guarantee is provided alongside any paid plan, to give prospective users a chance to examine features firsthand.
Senior writer for FinancesOnline. If he is not writing about the booming SaaS and B2B industry, with special focus on developments in CRM and business intelligence software spaces, he is editing manuscripts for aspiring and veteran authors. He has compiled years of experience editing book titles and writing for popular marketing and technical publications.

Domain names are formed by the rules and procedures of the Domain Name System (DNS). Any name registered in the DNS is a domain name. Domain names are organized in subordinate levels (subdomains) of the DNS root domain, which is nameless. The first-level set of domain names are the top-level domains (TLDs), including the generic top-level domains (gTLDs), such as the prominent domains com, info, net, edu, and org, and the country code top-level domains (ccTLDs). Below these top-level domains in the DNS hierarchy are the second-level and third-level domain names that are typically open for reservation by end-users who wish to connect local area networks to the Internet, create other publicly accessible Internet resources or run web sites.
In housing terms, VPS hosting is like renting your own apartment in a larger building. You're much more isolated than in the roommate situation mentioned above; it's still possible that a neighboring apartment could causes annoyance for you, but far less likely. In web hosting terms, Site A's traffic surge won't have nearly as much impact on Site B or Site C. As you'd expect, VPS hosting costs more than shared hosting. You'll pay roughly $20 to $60 per month.
Our web designers assess your needs and work with you to connect to more visitors, maximize conversion potential and transform site visitors into fans. With over 19 years in the web industry, our design experts incorporate the latest trends, user behaviour, SEO strategies and industry standards to create engaging designs that are simple, yet effective. Our designs have been proven to increase customer engagement by up to 50% within 3 months after launch. 

Many web hosting services offer a low "starting price," but require you to prepay for two or three years of service to get that price. After the promotional period, the renewal price for some web hosting services can be two, three, or even four times the initial promotional pricing. While the initial deal might be incredible, the cost of transferring your site (or paying the added fee) in a couple of years may be something to consider. 

Shared hosting is web hosting in which the provider houses multiple sites on a single server. For example, Site A shares the same server with Site B, Site C, Site D, and Site E. The upside is that the multiple sites share the server cost, so shared web hosting is generally very inexpensive. In fact, you can find an option for less than $10 per month.
If you're a WordPress user, Bluehost is definitely a web hosting provider to consider. While its managed WordPress hosting is a little more pricey than basic shared hosting, the company has both specific WordPress and WooCommerce hosting plans available (along with management support). It also offers a site migration service for an additional fee. 

9. HostFavIn a nutshell, HostFav is the first hosting provider website owners think for Linux or Windows (ASP.NET). The service also comes with a cloud VPS server to enable advertising offers from Google, Bing, and other leading sites. It indicates clearly the benefits for users looking to monetize online content. Reaching out to them is an option also for those looking to register a professional domain related to their business, as well as buyers of SSL certificate to protect sensitive data, and enable online transfers. HostFav excels in support, regardless of the plan you’ve chosen (you can reach agents via 24/7 live chat, email, phone, or by filling online tickets), and you can also make use of their vast base of training materials to get your site up and running. Since HostFav was powered by the open-source community in the first place, it helps out with free Hosting, Linux VPS server, Dedicated IPv4/IPv6 for selected open-source projects. 


The user gets his or her own Web server but is not allowed full control over it (user is denied root access for Linux/administrator access for Windows); however, they are allowed to manage their data via FTP or other remote management tools. The user is disallowed full control so that the provider can guarantee quality of service by not allowing the user to modify the server or potentially create configuration problems. The user typically does not own the server. The server is leased to the client.
For special purposes, such as network testing, documentation, and other applications, IANA also reserves a set of special-use domain names.[15] This list contains domain names such as example, local, localhost, and test. Other top-level domain names containing trade marks are registered for corporate use. Cases include brands such as BMW, Google, and Canon.[16]
A domain name is an identification string that defines a realm of administrative autonomy, authority or control within the Internet. Domain names are used in various networking contexts and for application-specific naming and addressing purposes. In general, a domain name identifies a network domain, or it represents an Internet Protocol (IP) resource, such as a personal computer used to access the Internet, a server computer hosting a web site, or the web site itself or any other service communicated via the Internet. In 2017, 330.6 million domain names had been registered.[1]
We liked how Web Hosting Hub describes its new customer process. It tells new customers, "We walk you through setting up your account in a personal on-boarding call." The company has a few other wins as well. It offers an all-SSD infrastructure, automatic vulnerability patches and a custom firewall, SSH access for certain plans, free site migration and an excellent 90-day money-back guarantee. 

10. DreamHostDreamHost is another awarded web and WordPress hosting provider where you can get your brand new .xyz, .life, .online, .tech. or .store domain. Their most popular feature is the Remixer—an intuitive website builder that takes literally minutes of your time. It will allow you to attach a fully functional site on the web without resorting to any third-party service. Design aficionados, nonetheless, should not be discouraged by the all-in-one offer—Remixer is probably one of the most flexible and ready-to-configure builders out there. It will supply them with a unique and optimized theme that can only facilitate this process. Managed WordPress hosting for an existent site is also a valid option, and so are shared and email hosting with fast SSD storage, Virtual Private Servers with ultra-fast SSDs, and flexibility with HTTP/2, Ubuntu, IPv6, NGINX and Node.js, and dedicated hosting with 100% uptime guarantee. 
Which of These Web Hosting Companies is for You?If you plan to start your ecommerce business or stay in business for long, if you already have one, then a reliable web hosting service is simply a must. This includes dependability in terms of hardware and software.Sturdy-built data warehouse structures, cutting-edge environment protection systems, and the most stringent safety and security measures should also figure in the final reckoning.For these reasons, you cannot go wrong with InMotion Hosting, which leads the web hosting candidates here. Its 30-day money-back guarantee gives you ample time to see out how the company delivers on its promises. You can test how everything fits your requirements when you visit the Hostinger website.
But, again, operationally it's quite strong. 24/7/365 customer support is available not only by live chat and email, but by phone. It offers free site migrations with some dedicated attention paid to making a transfer as smooth as possible. And, if you're willing to go for one of the higher-end plans, the company has put some serious attention into performance and caching.
Why? Because word of mouth only gets you so far in the internet era. People discover new businesses—even local business—via Bing, Google, and Yahoo. The days when they'd just look you up in the yellow pages are long gone. If you don't have a sharable website address, your chances of building online word of mouth via social networking plummet, too. In other words, no website, no discoverability, no money. Of course, web hosting isn't just for businesses. You may want to host a personal website or blog, too. Either way, the services here have you covered.
On the topic of dedicated hosting, many web hosting services also offer managed hosting. This type of hosting sees the web host act as your IT department, handling a server's maintenance and upkeep. This hosting option is something that you'd typically find with dedicated servers, so it's a business-centric addition. Naturally, it adds a few bucks to the hosting cost, but nothing that should break the bank if you have the resources for a dedicated server. 

A customer needs to evaluate the requirements of the application to choose what kind of hosting to use. Such considerations include database server software, scripting software, and operating system. Most hosting providers provide Linux-based web hosting which offers a wide range of different software. A typical configuration for a Linux server is the LAMP platform: Linux, Apache, MySQL, and PHP/Perl/Python. The web hosting client may want to have other services, such as email for their business domain, databases or multimedia services. A customer may also choose Windows as the hosting platform. The customer still can choose from Perl, PHP, Python, and Ruby, but the customer may also use ASP.NET or ASP Classic. Web hosting packages often include a web content management system, so the end-user does not have to worry about the more technical aspects.
5. HostwindsHostwinds is considered as one of the best web hosting companies, for not only does it provide 99.999% uptime, it also offers superb 24/7 customer support. It boasts of 100% satisfaction rate for its users with a solid 60-day money-back offer. Its two data centers in Dallas, Texas, and Seattle, Washington have modern architectural design tailored for maximum data protection with natural cooling systems and a redundant A+B power system.Hostwinds provides SSL certification, VPN, and Minecraft SSD server hosting, on top of its regular web hosting packages that offer business hosting, shared web hosting, Windows VPS, Linux VPS, and dedicated servers. Its network design has a redundant communication pathway that secures availability and continued access should there be a path failure. In addition, it has an automatic failover mechanism that reroutes to new system pathways, should a server or pathway be compromised. Hostwinds offers its enterprise-level service and tools for as low as $3.29/month.
The user gets his or her own Web server but is not allowed full control over it (user is denied root access for Linux/administrator access for Windows); however, they are allowed to manage their data via FTP or other remote management tools. The user is disallowed full control so that the provider can guarantee quality of service by not allowing the user to modify the server or potentially create configuration problems. The user typically does not own the server. The server is leased to the client.
Many desirable domain names are already assigned and users must search for other acceptable names, using Web-based search features, or WHOIS and dig operating system tools. Many registrars have implemented domain name suggestion tools which search domain name databases and suggest available alternative domain names related to keywords provided by the user.
Finally, we were quite happy with their money-back guarantee. They offer a full 90-day guarantee (except for domain names you buy) and a pro-rated refund for the rest of your time. So if you want to cancel after 18 months and have six months left in your term, you'll get back the cost of the six remaining months. It's clear, it's understandable, and it's the straightforward way we'd like to see most providers use as a model.

Domain names are often seen in analogy to real estate in that domain names are foundations on which a website can be built, and the highest quality domain names, like sought-after real estate, tend to carry significant value, usually due to their online brand-building potential, use in advertising, search engine optimization, and many other criteria.
If you're not sure of the type of hosting your business needs, you might want to start small, with shared Web hosting. You can always graduate to a more robust, feature-rich package of, say, VPS hosting or even dedicated hosting in the future. Unfortunately, some hosts don't offer all hosting types. Consider how much you expect to grow your website, and how soon, before you commit to anything longer than a one-year plan. It's worth spending the time up front to make sure that the host you select with is able to provide the growth you envision for your site, as switching web hosting providers midstream is not a trivial undertaking.
15. GreenGeeksIf you’re committed to renewable energy, you should give GreenGeeks a look. The hosting platform claims to be the cleanest hosting around, backed by 300% Renewable Energy Commitment. For prices as low as $3.95/month, users get unlimited space, transfer, email + free domain, and marketing services, which also make GreenGeeks one of the most compact, do-it-all hosting solutions on the market. You can acquire a Reseller package and manage multiple cPanel hosting accounts, request VPS hosting with dedicated resources and flexibility (and no additional expenses), or get an entire Dedicated server for extreme performance and flexibility. Next to cPanel, app hosting is also available for WordPress, Drupal, Joomla, and CMS. 
The best web hosting service right now is Bluehost. Based in Utah, Bluehost is the preferred partner for WordPress, the world's favourite website builder. This service does a great job of balancing price and features for less experienced businesses, while offering lots of options for more advanced users. Its shared hosting packages start with a very reasonable 'basic' plan, targeted at home users.
16. JustHostJustHost‘s functionality revolves around one main idea: eliminating all complexity attached to the creation and maintenance of a website, and making the experience enjoyable for all users. It encompasses tools to manage your entire online journey, from launching and managing a website to advertising on it and earning money from and around your content. As soon as your site goes live, JustHost ensures you can promote it on Google, Bing, and MOJO marketplaces, and download hundreds of apps and plugins that could be useful to your business. JustHost also specializes in app hosting for WordPress, Drupal, and Joomla sites, and offers cPanel and VPS packages. 
Web hosting services, on the other hand, run servers that are typically assigned only one or a few addresses while serving websites for many domains, a technique referred to as virtual web hosting. Such IP address overloading requires that each request identifies the domain name being referenced, for instance by using the HTTP request header field Host:, or Server Name Indication.
A dedicated server is best suited to anyone looking to build complex websites that need to look after hundreds of users in a no-compromise environment. (Think Amazon.) It’s like having your own computer: you don’t have to share your space, power or resources with anyone else. Dedicated servers are usually the fastest and most powerful choices available, though some of the high-end VPS options can give the lower performing dedicated servers a run for their money – so check the specs.
While it doesn’t cost a penny, we’re adamant on keeping our free hosting sharp and up-to-date. Our Free shared web hosting is based on Apache, PHP, and MySQL. If you’ve been searching for a free hosting platform that supports both legacy and the newest PHP applications, stop looking. We support multiple PHP 5 versions, as well as the newest of PHP 7 to ensure maximum compatibility with anything you need!
If you're on a budget and looking for the best free web hosting service, we'd recommend Weebly. The free option comes with free SSL security and 500MB storage, plus SEO and lead capture and contact forms. As you'd expect, there are limitations that come with choosing a free option: you'll have a Weebly-branded URL and ads on your site. If you want to remove these, you'll need to bump up to a paid plan. Users can also benefit from Weebly’s range of stylish website templates.
Intercapping is often used to emphasize the meaning of a domain name, because DNS names are not case-sensitive. Some names may be misinterpreted in certain uses of capitalization. For example: Who Represents, a database of artists and agents, chose whorepresents.com[23], which can be misread. In such situations, the proper meaning may be clarified by placement of hyphens when registering a domain name. For instance, Experts Exchange, a programmers' discussion site, used expertsexchange.com, but changed its domain name to experts-exchange.com.[24]

For over a decade we’ve helped business owners, entrepreneurs, bloggers and digital enthusiasts make their online vision a reality with award winning web hosting services. For both personal and professional websites, we are the Canadian web hosting company you can rely on. We have the technology to ensure your site runs smoothly and we’re here for you every hour of everyday. Want to succeed online? Use HostPapa web hosting services to power your website.
The best web hosting service right now is Bluehost. Based in Utah, Bluehost is the preferred partner for WordPress, the world's favourite website builder. This service does a great job of balancing price and features for less experienced businesses, while offering lots of options for more advanced users. Its shared hosting packages start with a very reasonable 'basic' plan, targeted at home users.
Many web hosting services offer a low "starting price," but require you to prepay for two or three years of service to get that price. After the promotional period, the renewal price for some web hosting services can be two, three, or even four times the initial promotional pricing. While the initial deal might be incredible, the cost of transferring your site (or paying the added fee) in a couple of years may be something to consider.
As you might expect with a cheap hosting plan, you can only operate one website on the Hatchling plan. And you won’t get a free domain name for a year, either. But we like the super-low pricing and the free transfers for new accounts within the first month after you’ve signed up. A 45-day money-back guarantee means that if you’re not happy with the service, you can cancel it.
You can also host your website on WordPress.com, but that's different from the kind of hosting mentioned above. WordPress.com uses the same code from WordPress.org, but it hides the server code and handles the hosting for you. In that sense, it resembles entries in our online site builder roundup. It's a simpler but less flexible and customizable way to approach WordPress hosting. It's definitely easier, but if you want to tinker and adjust and optimize every aspect of your site, it might not be for you.
10. DreamHostDreamHost is another awarded web and WordPress hosting provider where you can get your brand new .xyz, .life, .online, .tech. or .store domain. Their most popular feature is the Remixer—an intuitive website builder that takes literally minutes of your time. It will allow you to attach a fully functional site on the web without resorting to any third-party service. Design aficionados, nonetheless, should not be discouraged by the all-in-one offer—Remixer is probably one of the most flexible and ready-to-configure builders out there. It will supply them with a unique and optimized theme that can only facilitate this process. Managed WordPress hosting for an existent site is also a valid option, and so are shared and email hosting with fast SSD storage, Virtual Private Servers with ultra-fast SSDs, and flexibility with HTTP/2, Ubuntu, IPv6, NGINX and Node.js, and dedicated hosting with 100% uptime guarantee. 
If you're a WordPress user, Bluehost is definitely a web hosting provider to consider. While its managed WordPress hosting is a little more pricey than basic shared hosting, the company has both specific WordPress and WooCommerce hosting plans available (along with management support). It also offers a site migration service for an additional fee. 
Name servers. Most registrars provide two or more name servers as part of the registration service. However, a registrant may specify its own authoritative name servers to host a domain's resource records. The registrar's policies govern the number of servers and the type of server information required. Some providers require a hostname and the corresponding IP address or just the hostname, which must be resolvable either in the new domain, or exist elsewhere. Based on traditional requirements (RFC 1034), typically a minimum of two servers is required.
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I've been using your services for about 10 years. I just wanted to say thank you for your excellent service and support. Your support staff has always been so kind, helpful, smart and understanding. I'm a nervous nellie when it comes to doing this stuff (building websites), and you've walked me through the hard parts smoothly and efficiently. Seems I can always count on you.
GlowHost earned our kudos for its 91-day money-back guarantee. It's six days short of DreamHost's 97-day guarantee, but with these numbers, who's quibbling over a few days? The company also offers 24/7/365 phone support option and free cPanel offering for most plans. The company operates 18 data centers worldwide. Finally, the company garnered extra kudos by driving all its hosting services with wind power.
If you're a WordPress user, Bluehost is definitely a web hosting provider to consider. While its managed WordPress hosting is a little more pricey than basic shared hosting, the company has both specific WordPress and WooCommerce hosting plans available (along with management support). It also offers a site migration service for an additional fee. 
Rounding out the wins, InMotion offers a full 90-day money-back guarantee. On top of that, here's a special money-saving hint. In a chat session confirming pricing and offerings, the operator offered me some special prices and deals that reduced the published price by a few bucks. I was also told that while promotional pricing does go up at the end of the offer period, if you contact customer service, InMotion has a "loyal customer discount" that may bring the price back down.
CloudLinux helps protect websites in a shared website hosting environment. If one of the websites on the servers gets attacked or gets a sudden growth in popularity and a lot of unexpected traffic, it will start draining all of the server resources, affecting other websites. CloudLinux makes sure this doesn’t happen. It will either slow down the website to stop it from hogging all resources or it will temporarily shut it down.
With a web hosting plan from HostPapa, you’ll get a dedicated, professional IT team, without the cost! The Papa Squad is ready to tackle any of your web hosting issues, and we’re ready to help 24/7. The Papa Squad are technical customer service experts with the knowledge and experience to help you solve any web hosting challenge that your website may face. No matter how many visitors, the amount of traffic or the number of orders your website receives, we’re here to make sure your web hosting solution can handle it all.
Once you choose your provider, it's time for you to open an account with the monthly plan that fits your needs. If you still have questions about which plan is suitable for you, call its customer support staff and have them assist you through the registration process. Companies will generally charge a credit card on a monthly basis, however, some companies will also offer discounts for paying a yearly payment at once.

All of this infrastructure has been built out to support the a wide range of hosting services. The family-owned company gains points for understanding the importance of transaction security by offering free AutoSSL and Let's Encrypt SSL encryption for its plans. While the company offers sophisticated services for technically strong clients, it also has a Weebly web builder option to get you up and running quickly. 

The practice of using a simple memorable abstraction of a host's numerical address on a computer network dates back to the ARPANET era, before the advent of today's commercial Internet. In the early network, each computer on the network retrieved the hosts file (host.txt) from a computer at SRI (now SRI International),[4][5] which mapped computer hostnames to numerical addresses. The rapid growth of the network made it impossible to maintain a centrally organized hostname registry and in 1983 the Domain Name System was introduced on the ARPANET and published by the Internet Engineering Task Force as RFC 882 and RFC 883.
Next are third-level domains, which are written immediately to the left of a second-level domain. There can be fourth- and fifth-level domains, and so on, with virtually no limitation. An example of an operational domain name with four levels of domain labels is sos.state.oh.us. Each label is separated by a full stop (dot). 'sos' is said to be a sub-domain of 'state.oh.us', and 'state' a sub-domain of 'oh.us', etc. In general, subdomains are domains subordinate to their parent domain. An example of very deep levels of subdomain ordering are the IPv6 reverse resolution DNS zones, e.g., 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa, which is the reverse DNS resolution domain name for the IP address of a loopback interface, or the localhost name.
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