Exchange.fastfone.it.88.84.185.in-addr.arpa has no NS records.
NS records for this zone are defined at 88.84.185.in-addr.arpa.
NS records for this zone are defined at 88.84.185.in-addr.arpa.
Question and response
Question
dig Exchange.fastfone.it.88.84.185.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
88.84.185.in-addr.arpa. 86400 SOA ns1.fastfone.it. root.ns1.fastfone.it. 2024121688 28800 7200 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0