ns2.gwtc.net has no NS records.
NS records for this zone are defined at gwtc.net.
NS records for this zone are defined at gwtc.net.
Question and response
Question
dig ns2.gwtc.net. NS
Answer
The response has no answer records.
Authority
gwtc.net. 60 SOA ns1.gwtc.net. hostmaster.gwtc.net. 2025110401 3600 600 1209600 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0