panel.salit.com.pl has no CNAME records.
Question and response
Question
dig panel.salit.com.pl. NS
Answer
The response has no answer records.
Authority
salit.com.pl. 1800 SOA micah.ns.cloudflare.com. dns.cloudflare.com. 2398050845 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0