Domains with DNS TXT v=spf1 +a +mx +ip4:68.66.200.212 +ip4:68.66.203.233 include:mailgun.org include:mail.zendesk.com include:relay.mailchannels.net -all
There is 1 domain that have DNS TXT set to v=spf1 +a +mx +ip4:68.66.200.212 +ip4:68.66.203.233 include:mailgun.org include:mail.zendesk.com include:relay.mailchannels.net -all.