Zone apex
Start of authority
Email
Serial
2026012218
Refresh
2d
Retry
1h
Expire
20d
Negative cache TTL
2d
Question and response
Question
dig ihsystem.com. SOA
Answer
ihsystem.com. 0 SOA ns1.ihsystem.com. ns2.ihsystem.com. 2026012218 172800 3600 1728000 172800
Authority
The response has no authority records.
Additional
The response has no additional records.