mail.nic.it has no NS records.
NS records for this zone are defined at nic.it.
NS records for this zone are defined at nic.it.
Question and response
Question
dig mail.nic.it. NS
Answer
The response has no answer records.
Authority
nic.it. 600 SOA dns.nic.it. hostmaster.nic.it. 2026030400 86400 1800 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0