Domains with DNS TXT v=spf1 a mx include:server322.smtp-spf.sureserver.com include:sendgrid.net ~all
There are 5 domains that have DNS TXT set to v=spf1 a mx include:server322.smtp-spf.sureserver.com include:sendgrid.net ~all. The top 5 records ordered by domain rank are listed below.