mx1.amu.edu.pl has no TXT records.
Question and response
Question
dig mx1.amu.edu.pl. TXT
Answer
The response has no answer records.
Authority
amu.edu.pl. 3600 SOA dns.amu.edu.pl. dnsadm.amu.edu.pl. 2026012028 43200 3600 2419200 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0