email3.isisecure.it has no NS records.
NS records for this zone are defined at isisecure.it.
NS records for this zone are defined at isisecure.it.
Question and response
Question
dig email3.isisecure.it. NS
Answer
The response has no answer records.
Authority
isisecure.it. 600 SOA ns.isiline.it. postmaster.isiline.net. 2021102701 86400 7200 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0