128.128-191.236.188.210.in-addr.arpa has no NS records.
NS records for this zone are defined at 128-191.236.188.210.in-addr.arpa.
NS records for this zone are defined at 128-191.236.188.210.in-addr.arpa.
Question and response
Question
dig 128.128-191.236.188.210.in-addr.arpa. NS
Answer
The response has no answer records.
Authority
128-191.236.188.210.in-addr.arpa. 300 SOA ns-1738.awsdns-25.co.uk. root.htdb.jp. 2021060801 3600 900 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0