Domains with DNS TXT v=spf1 +a +mx +ip4:164.138.221.68 +include:smtp-out.spf.superhosting.bg -all

There is 1 domain that have DNS TXT set to v=spf1 +a +mx +ip4:164.138.221.68 +include:smtp-out.spf.superhosting.bg -all.

Top Domains with TXT set to v=spf1 +a +mx +ip4:164.138.221.68 +include:smtp-out.spf.superhosting.bg -all