Zone apex
Start of authority
Email
Serial
878435500
Refresh
15m
Retry
15m
Expire
30m
Negative cache TTL
1m
Question and response
Question
dig _spf.google.com. SOA
Answer
The response has no answer records.
Authority
google.com. 60 SOA ns1.google.com. dns-admin.google.com. 878435500 900 900 1800 60
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0