mx2.mclink.it has no CNAME records.
Question and response
Question
dig mx2.mclink.it. NS
Answer
The response has no answer records.
Authority
mclink.it. 6723 SOA ns1.mclink-net.it. postmaster.mclink.it. 2025011700 86400 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0