p2.fdcd.cz has no CNAME records.
Question and response
Question
dig p2.fdcd.cz. NS
Answer
The response has no answer records.
Authority
fdcd.cz. 2349 SOA ns.wedos.com. wedos.wedos.com. 2026011401 3600 1800 1814400 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0