Domains with DNS TXT v=spf1 ip4:66.147.237.98 ip4:66.147.237.28 +a +mx +ip4:184.173.106.40 include:sendgrid.net ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:66.147.237.98 ip4:66.147.237.28 +a +mx +ip4:184.173.106.40 include:sendgrid.net ~all.