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What is a top-level domain?

A top-level domain (TLD) is the part of a domain that comes after the dot, for example, com, org or net.

Generally you can divide TLD's in two types:

  • Generic top-level domains (gTLD) - Roughly all domains that are not associated with a country. The most known are com, org and net. All gTLD's fall under ICANN's policies.
  • Country-code top-level domains (ccTLD) - All domains the are identified with a country or geographical location, for example de, nl or dk. A ccTLD always consists out of two letters.

Over the last year a lot of new gTLD's have become available, for example .agency, .email or .house. At One.com you can choose from more than 250 different TLD's.

Check out the wikipedia article about top-level domains for more information.

The top-level domain in www.one.com is .com

Your domain
When you choose your domain, you need to find a unique combination of the bit before the dot (second-level domain) and after the dot (top-level domain).


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