smtp2.isiline.it has no NS records.
NS records for this zone are defined at isiline.it.
NS records for this zone are defined at isiline.it.
Question and response
Question
dig smtp2.isiline.it. NS
Answer
The response has no answer records.
Authority
isiline.it. 600 SOA ns.isiline.it. postmaster.isiline.net. 2026031201 86400 7200 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0