91-210-13-26-fan-tex.pl has no CNAME records.
Question and response
Question
dig 91-210-13-26-fan-tex.pl. NS
Answer
The response has no answer records.
Authority
pl. 227 SOA a-dns.pl. dnsmaster.nask.pl. 1771722304 900 300 2592000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0