Domains with DNS TXT v=spf1 a mx include:mailgun.org include:spf.sendinblue.com include:emailsrvr.com -all
There are 2 domains that have DNS TXT set to v=spf1 a mx include:mailgun.org include:spf.sendinblue.com include:emailsrvr.com -all. The top 2 records ordered by domain rank are listed below.