There are only 3 One Letter Domains.
December 2 1993, at a time when the web was being formed, Dr Jon Postel registered all still available 23 single letter Domains and assigned them to Internet Assigned Numbers Authority (iana.org). It was Jon Postel’s intention to avoid a single company commercially controlling a letter of the Alphabet.
However, 3 domains were already registered: Read more …
There are only 676 (26 x 26) .com domains that exist that simply have 2 letters, which makes them very rare. Because of their high value, these domains are primarily owned by big corporations. Many of the owners of 2-letter .com domains use privacy protection.
In the world of domain names, there are some specific domain vocabulary words and abbreviations and/or acronyms that are used to describe domain names. Here is a list of some of them: