Zone apex
Start of authority
Email
Serial
1756774050
Refresh
1h
Retry
15m
Expire
7d
Negative cache TTL
5m
Question and response
Question
dig spf.mail.knockbot.jp. SOA
Answer
The response has no answer records.
Authority
knockbot.jp. 300 SOA 01.dnsv.jp. hostmaster.dnsv.jp. 1756774050 3600 900 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0