39.0.249.130.195.in-addr.arpa has no NS records.
NS records for this zone are defined at 0.249.130.195.in-addr.arpa.
NS records for this zone are defined at 0.249.130.195.in-addr.arpa.
Question and response
Question
dig 39.0.249.130.195.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
0.249.130.195.in-addr.arpa. 86400 SOA hdns.tiscali.it. hostmaster.tiscali-business.it. 2016062100 86400 3600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0