Domains with DNS TXT v=spf1 include:spf.protection.outlook.com a:web11.os2.nl include:spf.flowmailer.net include:webmail.os2.nl ~all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com a:web11.os2.nl include:spf.flowmailer.net include:webmail.os2.nl ~all.