Domains with DNS TXT v=spf1 a mx include:spf.factuursturen.nl include:_spf.directictserver.nl include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.factuursturen.nl include:_spf.directictserver.nl include:spf.protection.outlook.com -all.