mail.ticklink.com has no TXT records.
Question and response
Question
dig mail.ticklink.com. TXT
Answer
The response has no answer records.
Authority
ticklink.com. 600 SOA dns21.hichina.com. hostmaster.hichina.com. 2026011209 3600 1200 86400 600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0