Domains with DNS TXT v=spf1 ip4:51.222.203.20 ip4:144.217.252.192 +a +mx +include:sendgrid.net ~all

There is 1 domain that have DNS TXT set to v=spf1 ip4:51.222.203.20 ip4:144.217.252.192 +a +mx +include:sendgrid.net ~all.

Top Domains with TXT set to v=spf1 ip4:51.222.203.20 ip4:144.217.252.192 +a +mx +include:sendgrid.net ~all