SOA
Start of Authority
Primary NS
Mailbox
dns.openprovider.eu
Serial
2026090201
Refresh
10800
Retry
3600
Expire
604800
Minimum TTL
3600
TXT
TXT Records
MS=ms10004926
v=spf1 a mx include:spf.woutervanderloop.nl include:spf.protection.outlook.com include:spf.mailservice.snelstart.nl -all