Domains with DNS TXT v=spf1 mx ip4:23.96.225.249 include:spf.constantcontact.com include:spf.protection.outlook.com include:sendgrid.net ~all
There is 1 domain that have DNS TXT set to v=spf1 mx ip4:23.96.225.249 include:spf.constantcontact.com include:spf.protection.outlook.com include:sendgrid.net ~all.