66-50-167-192.prtc.net has no NS records.
NS records for this zone are defined at prtc.net.
NS records for this zone are defined at prtc.net.
Question and response
Question
dig 66-50-167-192.prtc.net. NS
Answer
The response has no answer records.
Authority
prtc.net. 8600 SOA ns1.coqui.net. ns2.coqui.net. 2022101803 3600 1800 1209600 8600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0