Domains with DNS TXT v=spf1 include:server20.spf.superhosting.bg include:smtp-out.spf.superhosting.bg a a:mail.host.bg a:m4.host.bg -all

There are 403 domains that have DNS TXT set to v=spf1 include:server20.spf.superhosting.bg include:smtp-out.spf.superhosting.bg a a:mail.host.bg a:m4.host.bg -all. The top 50 records ordered by domain rank are listed below.