Domains with DNS TXT v=spf1 include:spf.protection.outlook.com a:outbound.zerospam.ca include:ca._netblocks.mimecast.com include:mailgun.org -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com a:outbound.zerospam.ca include:ca._netblocks.mimecast.com include:mailgun.org -all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com a:outbound.zerospam.ca include:ca._netblocks.mimecast.com include:mailgun.org -all