Question and response
Question
dig hketc.com. MX
Answer
hketc.com. 900 MX 10 mail.hketc.com.
Authority
hketc.com. 900 NS ca.hketc.net.
hketc.com. 900 NS us.hketc.net.
hketc.com. 900 NS host2.cntech.net.
hketc.com. 900 NS host1.cntech.net.
Additional
mail.hketc.com. 900 A 175.45.21.102
host1.cntech.net. 900 A 157.245.195.0
host2.cntech.net. 900 A 139.162.27.162
ca.hketc.net. 900 A 116.92.229.27
us.hketc.net. 900 A 202.155.202.114
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