Zone apex
Start of authority
Email
Serial
1772271161
Refresh
5m
Retry
1m
Expire
7d
Negative cache TTL
1m
Question and response
Question
dig b.mx.sardinasystems.com. SOA
Answer
The response has no answer records.
Authority
sardinasystems.com. 60 SOA a.ns.sardinasystems.com. hostmaster.sardinasystems.com. 1772271161 300 60 604800 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0