ns2.techdigital.it has no CNAME records.
Question and response
Question
dig ns2.techdigital.it. NS
Answer
The response has no answer records.
Authority
techdigital.it. 10744 SOA dns20.ovh.net. tech.ovh.net. 2026021101 86400 3600 3600000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0