Domains with DNS TXT v=spf1 mx include:spf.crsend.com include:_spf.reteach.io include:spf.protection.outlook.com a include:ispgateway.de -all

There is 1 domain that have DNS TXT set to v=spf1 mx include:spf.crsend.com include:_spf.reteach.io include:spf.protection.outlook.com a include:ispgateway.de -all.

Top Domains with TXT set to v=spf1 mx include:spf.crsend.com include:_spf.reteach.io include:spf.protection.outlook.com a include:ispgateway.de -all