mail.roalter.it has no NS records.
NS records for this zone are defined at roalter.it.
NS records for this zone are defined at roalter.it.
Question and response
Question
dig mail.roalter.it. NS
Answer
The response has no answer records.
Authority
roalter.it. 86400 SOA ns1.roalter.it. hostmaster.roalter.it. 2025102193 1200 7200 2419200 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0