Domains with DNS TXT v=spf1 include:spf.constantcontact.com include:mailgun.org include:spf.us.emailservice.io include:spf.protection.outlook.com ip4:217.180.206.173 ip4:66.32.67.58 ip4:64.191.133.58 ip4:74.143.16.34 ip4:74.136.83.93 ip4:162.83.231.63 ip4:24.103.85.198 ip4:92 .70.61.250 -all

There are 2 domains that have DNS TXT set to v=spf1 include:spf.constantcontact.com include:mailgun.org include:spf.us.emailservice.io include:spf.protection.outlook.com ip4:217.180.206.173 ip4:66.32.67.58 ip4:64.191.133.58 ip4:74.143.16.34 ip4:74.136.83.93 ip4:162.83.231.63 ip4:24.103.85.198 ip4:92 .70.61.250 -all. The top 2 records ordered by domain rank are listed below.

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