Domains with DNS TXT v=spf1 +mx +a +ip4:216.218.207.108 +include:relay.mailchannels.net +include:mailgun.org ~all
There is 1 domain that have DNS TXT set to v=spf1 +mx +a +ip4:216.218.207.108 +include:relay.mailchannels.net +include:mailgun.org ~all.