SpamFilter.rm.cnr.it has no NS records.
NS records for this zone are defined at rm.cnr.it.
NS records for this zone are defined at rm.cnr.it.
Question and response
Question
dig SpamFilter.rm.cnr.it. NS
Answer
The response has no answer records.
Authority
rm.cnr.it. 3600 SOA nameserver.rm.cnr.it. root.nameserver.rm.cnr.it. 2026022401 43200 1800 2592000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0