sl2.sedo.com has no TXT records.
Question and response
Question
dig sl2.sedo.com. TXT
Answer
The response has no answer records.
Authority
sedo.com. 1800 SOA emily.ns.cloudflare.com. dns.cloudflare.com. 2397930944 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0