Domains with DNS TXT v=spf1 +a +mx +ip4:51.77.66.193 +ip4:5.187.55.100 -all

There is 1 domain that have DNS TXT set to v=spf1 +a +mx +ip4:51.77.66.193 +ip4:5.187.55.100 -all.

Top Domains with TXT set to v=spf1 +a +mx +ip4:51.77.66.193 +ip4:5.187.55.100 -all