Domains with DNS TXT v=spf1 a mx include:spf.protection.outlook.com include:spf.crsend.com include:spf.dc-cluster.de ptr include:secureserver.net ~all

There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.protection.outlook.com include:spf.crsend.com include:spf.dc-cluster.de ptr include:secureserver.net ~all.

Top Domains with TXT set to v=spf1 a mx include:spf.protection.outlook.com include:spf.crsend.com include:spf.dc-cluster.de ptr include:secureserver.net ~all