Domains with DNS TXT v=spf1 mx ip4:209.53.166.97 ip4:184.150.239.25 include:mktomail.com include:spf.constantcontact.com include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 mx ip4:209.53.166.97 ip4:184.150.239.25 include:mktomail.com include:spf.constantcontact.com include:spf.protection.outlook.com -all.