www.virtualtelecom.pl has no CNAME records.
Question and response
Question
dig www.virtualtelecom.pl. NS
Answer
The response has no answer records.
Authority
virtualtelecom.pl. 3600 SOA ns1.nette.pl. info.nette.pl. 2024122301 86400 86400 2592000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0