230.191.57.185.no-ptr.as201971.net has no NS records.
NS records for this zone are defined at as201971.net.
NS records for this zone are defined at as201971.net.
Question and response
Question
dig 230.191.57.185.no-ptr.as201971.net. NS
Answer
The response has no answer records.
Authority
as201971.net. 1800 SOA jule.ns.cloudflare.com. dns.cloudflare.com. 2397993415 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0