gns21.cloudns.net has no TXT records.
Question and response
Question
dig gns21.cloudns.net. TXT
Answer
The response has no answer records.
Authority
cloudns.net. 172800 SOA pns1.cloudns.net. support.cloudns.net. 2026030901 7200 3600 1209600 172800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0