Domains with DNS TXT v=spf1 +mx +ip4:50.59.99.51 +include:spf.3essentials.com -all

There is 1 domain that have DNS TXT set to v=spf1 +mx +ip4:50.59.99.51 +include:spf.3essentials.com -all.

Top Domains with TXT set to v=spf1 +mx +ip4:50.59.99.51 +include:spf.3essentials.com -all