Title: Domain Name Author: Kriko Published: Jan 20, 2021 Last modified: Jul 15, 2026 --- 1. [Home](https://kriko.io/) / 2. [Glossary](https://kriko.io/glossary) / 3. D Letter # Domain Name A **domain name** is the readable internet address that users type into a browser to reach a website. Examples include `kriko.blog`, `google.com` and `example.com`. However, the full expression `https://kriko.blog/` is not only a domain name; it is a URL. In this structure, `https` is the protocol, `kriko.blog` is the domain name and `/` is the path. Therefore, the domain name is the readable and memorable main part of a web address. Devices and servers on the internet communicate with each other through IP addresses. IP addresses can appear in IPv4 format, such as `192.0.2.1`, or in the longer IPv6 format. However, it is not practical for users to memorize the IP address of every website. Domain names make these technical addresses easier for people to understand and remember. In this respect, domain names can be compared to names in a phone book that represent phone numbers. The main system that allows domain names to work is **DNS**, or the Domain Name System. DNS resolves domain names typed by users into the corresponding IP addresses. For example, when a user types `example.com` into a browser, DNS finds which IP address that domain points to and allows the browser to connect to the relevant server. This is why DNS is often described as the phone book of the internet. There is an important distinction here: DNS usually translates a domain name into an IP address. Translating an IP address back into a domain name is handled through different mechanisms such as reverse DNS, and it is not always required or available. Also, not every website necessarily has a completely unique IP address. In shared hosting, CDN and cloud infrastructures, multiple domain names can serve content from the same IP address. Therefore, the relationship between domain names and IP addresses does not always have to be one-to-one. Domain names are unique. The same domain name cannot be registered by two different people or organizations at the same time. For example, if `example.com` is already registered, someone else cannot register the exact same domain name again. However, similar names can be registered with different extensions. `example.com`, `example. net` and `example.org` are different domain names. This makes domain selection important for branding, SEO and digital asset management. The domain name structure is hierarchical. The rightmost part of a domain name is the top-level domain, or **TLD**. In `example.com`, `.com` is the TLD. In `example. org`, `.org` is the TLD; in `example.net`, `.net` is the TLD; and in `kriko.blog`,`. blog` is the TLD. Country-code domains use extensions such as `.tr`, `.de`, `.uk` or `.fr` to represent specific countries. Domain names associated with Türkiye can use the `.tr` extension. For example, in` example.com.tr`, the rightmost `.tr` is the country-code top-level domain. The `. com.tr` structure can be considered a second-level extension under the Turkish domain structure. These extensions may be preferred for organization type, country targeting, brand trust or local market recognition. When choosing a domain name, it is important to consider not only the extension, but also brand fit, readability, spelling ease, pronunciation, length and the possibility of confusion. Short, memorable, easy-to-type domain names that fit the brand are usually more advantageous. Hyphens, numbers, difficult words or phrases that are easy to misspell can harm user experience. Trademark risks, legal conflicts and consistency with social media usernames should also be checked. The phrase “buying a domain” is common in everyday language, but technically domain names are **registered** for specific periods. A person or organization can register an available domain name in their own name, usually starting from one year and extending for different durations. At the end of this period, the domain name must be renewed. If it is not renewed, it can go through certain expiration processes and eventually become available for someone else to register. For this reason, renewal dates must be tracked carefully in domain management. If a critical domain expires, the website, email accounts, advertising campaigns and brand access may be interrupted. Automatic renewal, up-to-date payment information, the correct contact email and a reliable registrar can reduce these risks. For main brand domains, multi-year registration and additional security measures can also be considered. Domain registration is done through domain registrars. A registrar is an authorized intermediary that allows users to search for, register, renew and manage available domain names. After a domain is registered, DNS records are configured to define which web server, email service, CDN or other service the domain should point to. A records, CNAME, MX and TXT records are among the commonly used DNS record types in domain management. ICANN, the Internet Corporation for Assigned Names and Numbers, is a non-profit organization involved in coordinating the internet’s unique identifiers, including the domain name system and IP address allocation. ICANN does not directly sell domains to every user. Instead, it plays a role in coordinating the domain name system, registry operators and registrar ecosystem. This structure helps ensure that domain names are managed in an organized, unique and functional way across the internet. A domain name is important not only for a website, but also for email communication. For example, corporate email addresses such as `info@example.com` are created using a domain name. Therefore, a domain is not only the address of a website; it is also a core part of a brand’s digital identity. A reliable domain structure helps users recognize, remember and reach the correct brand address. From an SEO perspective, a domain name does not guarantee success on its own. In the past, domains containing exact keywords were often seen as having a stronger advantage. Today, content quality, technical SEO, user experience, authority, brand trust and search intent alignment are more critical factors. Still, a short, trustworthy, brand-appropriate and memorable domain name can support organic visibility and brand awareness. In summary, a **domain name** is a readable and unique address structure that helps internet users reach websites. It makes IP addresses more understandable for people and points to the relevant servers through the DNS system. It can be used with extensions such as `.com`, `.net`, `.org`, `.blog` or `.tr`. 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