Zone apex
Start of authority
Email
Serial
1505901226
Refresh
12h
Retry
1h
Expire
7d
Negative cache TTL
1h
Question and response
Question
dig cao-sh.com. SOA
Answer
cao-sh.com. 3600 SOA dns.cao-sh.com. hostmaster.cao-sh.com. 1505901226 43200 3600 604800 3600
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0