Domains with DNS TXT v=spf1 +a +mx +ip4:91.234.194.106 include:premiumsmtp.dnshostservices.com ~all
There are 138 domains that have DNS TXT set to v=spf1 +a +mx +ip4:91.234.194.106 include:premiumsmtp.dnshostservices.com ~all. The top 50 records ordered by domain rank are listed below.