Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf-a.sitesupport.nl include:mailgun.org include:_spf.troublefree.nl ~all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf-a.sitesupport.nl include:mailgun.org include:_spf.troublefree.nl ~all.