edu.pl has no TXT records.
Question and response
Question
dig edu.pl. TXT
Answer
The response has no answer records.
Authority
edu.pl. 3600 SOA a-dns.pl. dnsmaster.nask.pl. 1772576104 900 300 2592000 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0