Domains with DNS TXT v=spf1 ip4:198.37.152.49 include:sendgrid.net include:secureserver.net include:sparkpostmail.com ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:198.37.152.49 include:sendgrid.net include:secureserver.net include:sparkpostmail.com ~all.