Domains with DNS TXT v=spf1 a mx include:spf.messagingengine.com include:spf.mtasv.net include:mailgun.org -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.messagingengine.com include:spf.mtasv.net include:mailgun.org -all.
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.messagingengine.com include:spf.mtasv.net include:mailgun.org -all.