ns2.black.host has no TXT records.
Question and response
Question
dig ns2.black.host. TXT
Answer
The response has no answer records.
Authority
black.host. 1800 SOA dave.ns.black.host. dns.cloudflare.com. 2398560932 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0