Zone apex
Start of authority
Email
Serial
1773680525
Refresh
5m
Retry
5m
Expire
7d
Negative cache TTL
1d
Question and response
Question
dig ca-delivery-smtp.mimecast.com. SOA
Answer
The response has no answer records.
Authority
mimecast.com. 0 SOA dns01.mimecast.com. dns-admin.mimecast.com. 1773680525 300 300 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0