Domains with DNS TXT v=spf1 mx include:spf.protection.outlook.com include:26584208.spf03.hubspotemail.net include:spf.crsend.com a include:ispgateway.de -all
There is 1 domain that have DNS TXT set to v=spf1 mx include:spf.protection.outlook.com include:26584208.spf03.hubspotemail.net include:spf.crsend.com a include:ispgateway.de -all.