Domains with DNS TXT v=spf1 a mx include:openservis.net include:_spf.google.com include:spf.smartemailing.cz ~all
There are 3 domains that have DNS TXT set to v=spf1 a mx include:openservis.net include:_spf.google.com include:spf.smartemailing.cz ~all. The top 3 records ordered by domain rank are listed below.