mail.icspr.it has no NS records.
NS records for this zone are defined at icspr.it.
NS records for this zone are defined at icspr.it.
Question and response
Question
dig mail.icspr.it. NS
Answer
The response has no answer records.
Authority
icspr.it. 86400 SOA ns1.serverlet.com. info.serverlet.com. 2025022005 28800 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0