Domain re­gis­trars are companies that fa­cil­it­ate the re­gis­tra­tion and leasing of domain names on a large scale. They act as in­ter­me­di­ar­ies between domain re­gis­tries — which manage top-level domains such as .com, or .net — and in­di­vidu­als who wish to reserve and lease a domain.

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What is the dif­fer­ence between a domain registrar and a domain registry?

Domain registrar Domain registry
Ac­cred­ited or­gan­isa­tion re­spons­ible for the com­mer­cial marketing of domain names to end-users on behalf of domain re­gis­tries Central authority for re­gis­ter­ing and managing TLD domains in the DNS
Acts as a com­mer­cial in­ter­me­di­ary Delegates com­mer­cial al­loc­a­tion and usage rights for TLD domains to re­gis­trars (no direct contact with end-users)
Handles billing for sold domains and can offer ad­di­tion­al support services for end-users May operate a registrar as a sub­si­di­ary but is not re­spons­ible for the com­mer­cial, com­pet­it­ive al­loc­a­tion of domains
Acts as a con­trac­tu­al partner for end-users and can be a sub­si­di­ary of a registry Re­spons­ible for ac­count­ing, or­gan­ising, and assigning allocated or available domains as well as WHOIS server

Re­gis­tra­tion, or­gan­isa­tion, and co­ordin­a­tion of domains occur on multiple levels. At the top is ICANN (Internet Cor­por­a­tion for Assigned Names and Numbers). Through its sub-or­gan­isa­tion IANA (Internet Assigned Numbers Authority), it oversees and manages Top-Level Domains (TLDs) such as .com, and .net.

ICANN does not allocate domains to end-users, but instead grants the usage rights for TLDs to domain re­gis­tries or Network In­form­a­tion Centers (NICs). The re­gis­tries, in turn, manage the com­mer­cial domain al­loc­a­tion to domain re­gis­trars. Ad­di­tion­ally, they keep records of which domains belong to which end-users and or­gan­isa­tions. The registrar informs the relevant domain registry when a domain re­gis­tra­tion has been requested.

An example:

  1. The domain re­gis­tra­tion for an address with the .uk extension is handled through the registry Nominet.
  2. The registrar from which you purchase your domain notifies Nominet of the re­gis­tra­tion and pays a fee to the registry for providing the domain.
  3. This fee is included by the registrar in the overall domain charge.
Note

Even though people often talk about buying a domain, it actually involves domain leasing or renting. When you register a domain, the registry grants you ownership rights as long as you pay a monthly or yearly fee for main­ten­ance, man­age­ment, and ad­di­tion­al services.

How to become a domain registrar

If you want to operate as a domain registrar, you must first apply for ac­cred­it­a­tion with ICANN. This process consists of the following steps:

  1. Complete and submit the ICANN ac­cred­it­a­tion ap­plic­a­tion form
  2. ICANN reviews your in­form­a­tion (including fin­an­cials, IT in­fra­struc­ture, scalab­il­ity, and DNS con­fig­ur­a­tion)
  3. Sign and submit the Registrar Ac­cred­it­a­tion Agreement (RAA)
  4. Sign and submit the Registrar Data Escrow (RDE) Agreement (via an ICANN-approved Registrar Data Escrow Agent)
  5. Pay the ac­cred­it­a­tion fee
  6. Receive con­firm­a­tion of ac­cred­it­a­tion

Once the ac­cred­it­a­tion process is complete, ICANN of­fi­cially re­cog­nises you as an ac­cred­ited domain registrar. You can now sell registrar domain names to re­gis­trants through the ap­pro­pri­ate domain re­gis­tries. For instance, the re­spons­ible registry partner for domains ending in .uk is Nominet.

What aspects make a good domain registrar?

Pay attention to the following points to ensure the re­li­ab­il­ity of your domain registrar:

  • Price: The cost of creating a website should not be un­der­es­tim­ated. In addition to hosting and design, domain fees also apply. Many reputable re­gis­trars therefore offer tiered pricing models with af­ford­able starter plans. Average prices for domain re­gis­tra­tion are typically in the low double-digit range.
  • Free WHOIS pro­tec­tion: Domain users (re­gis­trants) must, according to ICANN, enter their contact details in the WHOIS database. This includes name, address, phone number, and email. To protect domain privacy, reliable re­gis­trars should offer free WHOIS pro­tec­tion.
  • Flexible re­gis­tra­tion period: The duration for which a domain is needed can vary greatly—from just a few weeks to many years. Re­gis­trars should therefore provide flexible re­gis­tra­tion options ranging from a few months to one or more years.
  • Automatic renewals and reminders: For domains owned by re­gis­trants for two years or more, re­gis­trars should enable automatic renewal of the re­gis­tra­tion period. Ad­di­tion­al reminders help notify users about renewals and allow them to cancel if desired.
  • Wide range of TLDs: Standard top-level domain ex­ten­sions include .org, and .com. However, since many others exist—such as .info or .net—re­gis­trars should offer a broad selection of available TLDs.
  • Re­stric­ted domains: Some domains, like .biz (short for ‘business’), are re­stric­ted and only available under certain con­di­tions (in this case, com­mer­cial use). Re­gis­trars should ideally include these TLDs in their portfolio.
  • Ad­di­tion­al products and services: Having all services from one provider is the most con­veni­ent option for users. For this reason, re­gis­trars should offer all-in-one solutions or package deals that include domain re­gis­tra­tion, hosting, TLS en­cryp­tion, website creation, or multiple domain re­gis­tra­tions.
Domain Checker

Beware of domain re­gis­tra­tion services with any of the following char­ac­ter­ist­ics:

To identify un­re­li­able domain re­gis­trars at first glance, look out for the following signs that may indicate poor service quality:

  • Non-trans­par­ent pricing: Costs that are presented unclearly or in­con­sist­ently on the provider’s website are a red flag. Check the fine print for possible hidden con­di­tions or dis­ad­vant­ages when booking services.
  • Poor customer support: Reliable re­gis­trars should always offer ac­cess­ible customer service. If no support in­form­a­tion is provided on the website or if the as­sist­ance is in­ad­equate, it’s best to choose another provider.
  • Confusing user interface: A com­plic­ated or cluttered interface can signal low quality and lack of pro­fes­sion­al­ism. Look for platforms that are intuitive, well-struc­tured, and easy to navigate.
  • Unwanted add-ons: Be cautious of re­gis­trars that auto­mat­ic­ally add extra services such as hosting during checkout, in­creas­ing the total cost. Always review the contract details to ensure that all included services are clearly listed before fi­nal­ising your purchase.

The best domain registrar options

There are now many domain re­gis­trars to choose from. Here’s a helpful overview to help you select one of the best providers:

  • IONOS: Offering more than 600 top-level domains, flexible contract terms between 12 and 24 months, af­ford­able starter prices, and an easy re­gis­tra­tion process, IONOS also includes many extras such as SSL cer­ti­fic­ates, hosting, SEO tools, email inboxes, strong data pro­tec­tion, and website builders.
  • GoDaddy: One of the largest domain re­gis­trars in the world, GoDaddy provides millions of domains, 24/7 customer support, web hosting, email solutions, and an intuitive website builder — ideal for small busi­nesses and en­tre­pren­eurs.
  • 123 Reg: As one of the leading domain re­gis­trars in the UK, 123 Reg offers hundreds of top-level domains, including .uk and .co.uk ex­ten­sions. Customers benefit from com­pet­it­ive pricing, flexible re­gis­tra­tion periods, and an easy-to-use domain man­age­ment platform. 123 Reg also provides ad­di­tion­al services such as web hosting, email accounts, SSL cer­ti­fic­ates, website builders, and marketing tools.
  • InternetX: Starting with a 12-month contract, InternetX allows customers to choose from more than 1,000 top-level domains and benefit from ad­di­tion­al services such as 24/7 emergency support, reseller programs, and tailored hosting en­vir­on­ments.
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