Domains with DNS TXT v=spf1 a mx include:spf-b.a2zinc.net include:us._netblocks.mimecast.com include:relay.mailchannels.net ip4:208.85.55.150 include:mailgun.org include:spf.protection.outlook.com ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf-b.a2zinc.net include:us._netblocks.mimecast.com include:relay.mailchannels.net ip4:208.85.55.150 include:mailgun.org include:spf.protection.outlook.com ~all.