Domains with DNS TXT v=spf1 a mx include:mailgun.org include:emailsrvr.com include:emsd1.com ~all

There is 1 domain that have DNS TXT set to v=spf1 a mx include:mailgun.org include:emailsrvr.com include:emsd1.com ~all.

Top Domains with TXT set to v=spf1 a mx include:mailgun.org include:emailsrvr.com include:emsd1.com ~all