Domains with DNS TXT v=spf1 a include:spf.protection.outlook.com include:spf.byte.nl include:spf.afas.online include:_spf.bouw7.nl include:_spf.smtp.com -all
There is 1 domain that have DNS TXT set to v=spf1 a include:spf.protection.outlook.com include:spf.byte.nl include:spf.afas.online include:_spf.bouw7.nl include:_spf.smtp.com -all.