[trvr]

For years now I have published DNS TXT records for my domain that include my twitter handle, email address, and a Google Voice number. I always thought it would be a fun "protocol" for people to adopt, but never knew how to advance it.

  dig TXT trevormanternach.com

[mike_d]

That was the intention behind the .tel TLD: https://en.wikipedia.org/wiki/.tel