Zone apex
Start of authority
Email
Serial
2026032604
Refresh
3h
Retry
1h
Expire
7d
Negative cache TTL
3h
Question and response
Question
dig _spf.ionline.nl. SOA
Answer
The response has no answer records.
Authority
ionline.nl. 300 SOA ns01.ionline.nl. marco.ionline.nl. 2026032604 10800 3600 604800 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0