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Everything you need to know about domains. Explained short for the ones in a hurry and in detail for the curious.
A domain is the online address of a website, its location on the Internet. From a technical point of view, a domain address is an entry in a database. When the user enters a domain name in the search bar, the computer understands which website to show and to which address to send the request.
Any website is a set of web pages that have content (texts, images, files, and other information).
Pages, along with all content, are stored on a web server, a real computer. The domain name is the address where these pages are located. When you enter a domain into the search bar, the browser understands where to look for the desired server.
Before domain names were a thing, website addresses were indicated by numbers. To find a website, the user entered an IP address, a combination of four numbers separated by dots. But obviously, a computer can remember any number of numeric combinations, but poor humans will go crazy trying to keep several hundred IP addresses in their heads. Therefore, to make life easier, the numbers were replaced with text names.
Let’s just take a moment and compare which address is more convenient for you to remember: 208.65. 153.238 or soft-review.com
These are two identical addresses. But one is written as an IP address, and the other is written as a text domain.
The purpose of a domain name is to make it easier to remember the address of a website. That is why it is preferable to choose a short and memorable word or phrase as a domain.
The domain is also used:
A domain consists of at least two levels or parts, separated from each other by dots. The domains are arranged in a hierarchy from right to left: third level, second level, first level. The hierarchical order allows the browser to quickly determine the desired server and the website corresponding to the request. Thanks to the hierarchy, the DNS (Domain Name System) functions.
The part of the name to the right of the last dot in a domain zone or top-level domain (TLD).
When registering, choose a domain zone from the available options. A detailed list of first-level domains is available on the Internet Assigned Numbers Authority (IANA) website. Registration of first-level domains is controlled by the international organization ICANN. It stores and distributes a common database of domain names.
First-level domains are divided into two main types:
A small curious fact: there is also a so-called zero-level domain – a dot after the domain zone. But this point is ignored when specifying the domain in the search string (site.com.).
To the left of the last dot is the second-level domain, which is also the main one and can be called the parent of this whole address. The main domain is a unique combination of letters and numbers, thought up as the name of the website. The selected second-level domain is first checked for uniqueness and only then registered. The second and all subsequent levels are under the jurisdiction of the domain registrar. This is an organization that is accredited by ICANN. It can register new domains and renew existing ones.
To the left of the main domain (from the penultimate point) is a third-level domain – a subdomain. Subdomains divide the website into separate sections. So if you open a blog on a website you are bypassing the main page, going straight to what interests you or using it to separate different departments in your company.
Subdomains make the resource structure more understandable. With them, you do not need to create additional addresses for sections on the website. In addition, search engines index sections individually – they can be promoted separately in the search results.
The owner of a second-level domain has the right to form an unlimited number of third-level domains. In accordance with the above hierarchy, domains of the next level can be composed. The part to the left of the third level of the domain will be the fourth level or sub-sub domain.
The DNS (domain name system) doesn’t care what name you chose for your website, as long as it is unique, because for it it’s just a combination of letters and numbers. However, for the owner and client, the DNS does matter. The website just looks much nicer and more trustworthy when its address looks similar to the company’s name (Google is google.com). The visitor understands that he/she has landed on an official resource. You can add keywords to the domain name that match the content of the website. This will positively affect SEO and help in attracting the target audience.
The main features of a good domain are:
Also, when choosing a domain name, it is necessary to take into account spelling restrictions. Depending on the domain zones, the requirements may differ, but the general rules are as follows:
Any domain registrar has an extended check of selected names through a Whois service that shows basic information about the domain name (domain is free or occupied, who is the administrator and registrar, what is the registration period). You can register a domain name if it has not been taken by another person.
You can use the Whois service for free to search for available domains. If you find a domain that is already taken, you can view a piece of basic information about the date and place of registration, registrar, administrator and their contact details. This information can be useful if you want to complain to the registrar about the misuse of the domain or discuss with the administrator the possibility of buying the address.
Checking the domain’s history is definitely worth it and will help you decide whether to buy it or not. First of all, you will know what it was used for and avoid the association of the chosen name with something inappropriate (because the domain name does not always correspond to the website contents). Secondly, you will see its age. The age of a domain is of significant importance when ranking websites – search engines consider old resources more authoritative and it is easier to bring them to the top of search results. If the address falls under the cursor filters of search engines, this can have a bad effect on SEO.
You can also check the contents of the old website by searching through the web archives. Web Archive will show you “screenshots” of the website and its modifications over time. If you would like to download the contents because you would like to restore the website, then Archivarix will help you. You will have a fully workable copy of the restored/downloaded site and accessible WordPress plugin.
In some cases, it is important that the chosen domain is available for use on social networks. For example, you want to promote a brand under a single name on all platforms. The BrandSnag service will help you check the availability of the selected name on social networks.
Domain registration is often seen as a purchase. However, it cannot be bought and permanently owned. It can only be rented for a period predetermined by the policy of the registrar.
The minimum lease term for a domain name is one year. Take for example domains with the extension .ru, .rf, .su, these are purchased for a year and the lease is renewed annually. The maximum rental period is determined by the rules of the selected zone. For a period of up to ten years, you can register domains in the .com, .info, .online, .blog zones.
You will find out the duration of the lease and the renewal procedure during registration. You can also view this information in the registrar’s database.
To continue using the domain after the registration expires, you must follow the terms of use and renew the lease on time. This can be done 30-60 days before the end of the rental period.
If the domain lease has ended and the owner has not had time to renew it, then he has 30 days to renew it. This period may vary depending on the registrar. At this time, the website and mail on the domain stopped working. The domain name is included in the list of vacant addresses, and other users can bid on it at the domain auction. At the end of these 30 days, any user can purchase a domain.
For domains in international zones, an additional recovery period is provided. Within a month after the deletion of the domain address, the previous owner has the right to apply for a lease extension. But the cost of the domain, in this case, will be several times higher than the initial one.
Domains in the zones .ru, .su are deleted the next day after the end of the preferential renewal period. International domains are deleted after 1-5 days. From that moment, the domain becomes available to everyone. The former owner may try to register it again, but he/she no longer has any advantages over other applicants. Whoever registers the domain first will be the new owner.
The procedure for buying a domain from different registrars may vary slightly. But usually, the process consists of two stages:
Website hosting is a service for renting disk space on a server for storing files and resource data. The server is a real computer that works without interruptions and ensures that the website is always available. Hosting keeps the server running, protects it from malicious attacks, and ensures that your content is transferred from the server to browsers. If you transfer it to real life, then the domain is the address at which the house is located, and the hosting is everything that is inside the house.
Immediately after purchasing a domain name, you can link it to your website, create a mailbox and send regular or targeted mailings to your customers. However, you are not required to use the purchased domain right away. It can be kept in reserve. According to this principle, some companies buy the same addresses in different domain zones so that competitors do not use them.