mx.mailprofiler.com has no TXT records.
Question and response
Question
dig mx.mailprofiler.com. TXT
Answer
The response has no answer records.
Authority
mailprofiler.com. 3600 SOA ns1.mailprofiler.ch. postmaster.mailprofiler.ch. 2505260002 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0