dns2.bbbell.it has no NS records.
NS records for this zone are defined at bbbell.it.
NS records for this zone are defined at bbbell.it.
Question and response
Question
dig dns2.bbbell.it. NS
Answer
The response has no answer records.
Authority
bbbell.it. 3600 SOA dns1.bbbell.it. hostmaster.bbbell.it. 2026012101 28800 2400 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0