Domains with DNS TXT v=spf1 ip4:66.147.238.15 +a +mx +ip4:66.147.238.103 +ip4:75.126.75.71 +include:sendgrid.net ~all

There is 1 domain that have DNS TXT set to v=spf1 ip4:66.147.238.15 +a +mx +ip4:66.147.238.103 +ip4:75.126.75.71 +include:sendgrid.net ~all.

Top Domains with TXT set to v=spf1 ip4:66.147.238.15 +a +mx +ip4:66.147.238.103 +ip4:75.126.75.71 +include:sendgrid.net ~all