ns2.as7600.net has no NS records.
NS records for this zone are defined at as7600.net.
NS records for this zone are defined at as7600.net.
Question and response
Question
dig ns2.as7600.net. NS
Answer
The response has no answer records.
Authority
as7600.net. 3600 SOA ns1.as7600.net. hostmaster.as7600.net. 1504178461 10800 3600 604800 38400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0