252.255.160.192.in-addr.arpa.clearcable.net has no NS records.
NS records for this zone are defined at clearcable.net.
NS records for this zone are defined at clearcable.net.
Question and response
Question
dig 252.255.160.192.in-addr.arpa.clearcable.net. NS
Answer
The response has no answer records.
Authority
clearcable.net. 3600 SOA ns1.clearcable.ca. hostmaster.clearcable.ca. 1774161108 10800 3600 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0