Domains with DNS TXT v=spf1 a mx include:mailgun.org include:spf.protection.outlook.com include:_spf.paytsoftware.com include:eu.transmail.net include:_spf.mailcampaigns.nl -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:mailgun.org include:spf.protection.outlook.com include:_spf.paytsoftware.com include:eu.transmail.net include:_spf.mailcampaigns.nl -all.