avagridtn01.bcomcloud.it has no CNAME records.
Question and response
Question
dig avagridtn01.bcomcloud.it. NS
Answer
The response has no answer records.
Authority
bcomcloud.it. 1640 SOA marek.ns.cloudflare.com. dns.cloudflare.com. 2396188226 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0