Zone apex
Start of authority
Email
Serial
2026021324
Refresh
30m
Retry
15m
Expire
14d
Negative cache TTL
1h
Question and response
Question
dig bchk.com.hk. SOA
Answer
bchk.com.hk. 3600 SOA host1.cntech.net. webmaster.bchk.com.hk. 2026021324 1800 900 1209600 3600
Authority
bchk.com.hk. 3600 NS us.hketc.net.
bchk.com.hk. 3600 NS host2.cntech.net.
bchk.com.hk. 3600 NS host1.cntech.net.
bchk.com.hk. 3600 NS ca.hketc.net.
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