One of the shortest domains on the internet - extremely short, very rare and limited domain type!
Real 1-character under .HT for sale:

3.ht

Shortest domain format, perfect for shorteners or short e-mail service. Good nr "3".
HT can relate to "High tech", "hyperthreading", "hypertext", "Haiti" and many more.
Renewals at 84 USD / year
Renewed until 11.2019

Details and sale over: http://1-single-letter-domains.com/?r=_3htD#1chars