Domains with DNS TXT v=spf1 a include:spf.protection.outlook.com include:spf.svsict.nl ip6:2a02:348:86:30cb::1 include:spf.mandrillapp.com -all
There is 1 domain that have DNS TXT set to v=spf1 a include:spf.protection.outlook.com include:spf.svsict.nl ip6:2a02:348:86:30cb::1 include:spf.mandrillapp.com -all.