server.ge.ieiit.cnr.it has no NS records.
NS records for this zone are defined at ge.ieiit.cnr.it.
NS records for this zone are defined at ge.ieiit.cnr.it.
Question and response
Question
dig server.ge.ieiit.cnr.it. NS
Answer
The response has no answer records.
Authority
ge.ieiit.cnr.it. 86400 SOA nameserver.ge.ieiit.cnr.it. aiello.ieiit.cnr.it. 20121439 86400 3600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0