Domains with DNS TXT v=spf1 ip4:143.55.236.227 ip4:143.55.236.228 ip4:143.55.236.247 ip4:34.140.69.192 ip4:34.22.133.124 include:mailgun.org -all

There are 354 domains that have DNS TXT set to v=spf1 ip4:143.55.236.227 ip4:143.55.236.228 ip4:143.55.236.247 ip4:34.140.69.192 ip4:34.22.133.124 include:mailgun.org -all. The top 50 records ordered by domain rank are listed below.