Zone apex
Start of authority
Email
Serial
7
Refresh
8h
Retry
4h
Expire
4h
Negative cache TTL
10m
Question and response
Question
dig dns4.hbidc.net. SOA
Answer
The response has no answer records.
Authority
hbidc.net. 600 SOA dns.bizcn.com. abuse.bizcn.com. 7 28800 14400 14400 600
Additional
The response has no additional records.