Domains with DNS TXT v=spf1 ip4:50.28.78.21 ip4:209.87.158.193 ip4:172.16.78.21 +a +mx ~all

There is 1 domain that have DNS TXT set to v=spf1 ip4:50.28.78.21 ip4:209.87.158.193 ip4:172.16.78.21 +a +mx ~all.

Top Domains with TXT set to v=spf1 ip4:50.28.78.21 ip4:209.87.158.193 ip4:172.16.78.21 +a +mx ~all