118.180.118.217.in-addr.arpa has no NS records.
NS records for this zone are defined at 180.118.217.in-addr.arpa.
NS records for this zone are defined at 180.118.217.in-addr.arpa.
Question and response
Question
dig 118.180.118.217.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
180.118.217.in-addr.arpa. 86400 SOA ns.tattelecom.ru. root.tattelecom.ru. 2012051100 28800 14400 1814400 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0