244.35.190.64.in-addr.arpa has no NS records.
NS records for this zone are defined at 35.190.64.in-addr.arpa.
NS records for this zone are defined at 35.190.64.in-addr.arpa.
Question and response
Question
dig 244.35.190.64.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
35.190.64.in-addr.arpa. 3600 SOA ns01.fusionconnect.net. hostmaster.fusionconnect.net. 2014060501 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0