sip.dotarai.com has no TXT records.
Question and response
Question
dig sip.dotarai.com. TXT
Answer
The response has no answer records.
Authority
dotarai.com. 3600 SOA ns.mail.in.th. hostmaster\.mail.in.th. 2026030504 86400 3600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0