Domains with DNS TXT v=spf1 a mx include:_spf.webglobe.cz include:spf.smartemailing.cz include:mailgun.org -all
There are 6 domains that have DNS TXT set to v=spf1 a mx include:_spf.webglobe.cz include:spf.smartemailing.cz include:mailgun.org -all. The top 6 records ordered by domain rank are listed below.