Active Single-Letter Domains

On December 1, 1993, the Internet Assigned Numbers Authority (IANA) explicitly reserved the remaining single-letter and single-digit domain names. The few domains that were already assigned were grandfathered in and continued to exist.

The assigned domains in this group are the following:


1993 Owner

Current Owner

INet Solutions Ltd

Future Media Architects



Privately owned

Q Networks


Elon Musk


X.Org Foundation

GMO Internet, Inc.