wireless.twt.it has no CNAME records.
Question and response
Question
dig wireless.twt.it. NS
Answer
The response has no answer records.
Authority
twt.it. 3600 SOA zns1.twt.it. hostmaster.twt.it. 2026022400 86400 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0