Domains with DNS TXT v=spf1 mx a:mail.cacb.ca include:mailgun.org include:spf.mxthunder.com include:smtp2.althosted.ca ~all
There is 1 domain that have DNS TXT set to v=spf1 mx a:mail.cacb.ca include:mailgun.org include:spf.mxthunder.com include:smtp2.althosted.ca ~all.