Question and response
Question
dig bchk.com.hk. NS
Answer
bchk.com.hk. 3600 NS host2.cntech.net.
bchk.com.hk. 3600 NS us.hketc.net.
bchk.com.hk. 3600 NS ca.hketc.net.
bchk.com.hk. 3600 NS host1.cntech.net.
Authority
The response has no authority records.
Additional
host1.cntech.net. 900 A 157.245.195.0
host2.cntech.net. 900 A 139.162.27.162
us.hketc.net. 900 A 202.155.202.114
ca.hketc.net. 900 A 116.92.229.27
host1.cntech.net. 900 AAAA 2400:6180:0:d0:0:0:132b:3001
host2.cntech.net. 900 AAAA 2400:8901:0:0:f03c:93ff:fe89:a03a
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0