Zone apex
Start of authority
Email
Serial
2026031803
Refresh
3h
Retry
1h
Expire
14d
Negative cache TTL
3h
Question and response
Question
dig _spf.idefender.nl. SOA
Answer
The response has no answer records.
Authority
idefender.nl. 60 SOA ns01.ionline.nl. mike.ionline.nl. 2026031803 10800 3600 1209600 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0