Zone apex
Start of authority
Email
Serial
2022122001
Refresh
1h
Retry
30m
Expire
14d
Negative cache TTL
15m
Question and response
Question
dig hketc.com. SOA
Answer
hketc.com. 900 SOA host1.cntech.net. webmaster.hketc.com. 2022122001 3600 1800 1209600 900
Authority
hketc.com. 900 NS host2.cntech.net.
hketc.com. 900 NS us.hketc.net.
hketc.com. 900 NS ca.hketc.net.
hketc.com. 900 NS host1.cntech.net.
Additional
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