Domains with DNS TXT v=spf1 ip4:173.69.51.14 include:spf.protection.outlook.com include:spf.constantcontact.com include:sendgrid.net -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:173.69.51.14 include:spf.protection.outlook.com include:spf.constantcontact.com include:sendgrid.net -all.