Domains with DNS TXT v=spf1 a mx include:mailgun.org include:emailsrvr.com include:48668165.spf07.hubspotemail.net ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:mailgun.org include:emailsrvr.com include:48668165.spf07.hubspotemail.net ~all.