86.1-253.113.201.74.in-addr.arpa has no NS records.
NS records for this zone are defined at 1-253.113.201.74.in-addr.arpa.
NS records for this zone are defined at 1-253.113.201.74.in-addr.arpa.
Question and response
Question
dig 86.1-253.113.201.74.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
1-253.113.201.74.in-addr.arpa. 3600 SOA ns1.vtitan.com. dnsadmin.vtitan.com. 26 7200 1800 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0