GDN has no TXT records.
Question and response
Question
dig GDN. TXT
Answer
The response has no answer records.
Authority
gdn. 900 SOA ns1.nic.gdn.GDN. postmaster.nic.gdn. 1501647350 21600 1800 2419200 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0