208.97.238.87.in-addr.arpa has no NS records.
NS records for this zone are defined at 97.238.87.in-addr.arpa.
NS records for this zone are defined at 97.238.87.in-addr.arpa.
Question and response
Question
dig 208.97.238.87.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
97.238.87.in-addr.arpa. 3600 SOA ns.bsh.ru. noc.bsh.ru. 2025111301 3600 600 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0