Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:20177147.spf01.hubspotemail.net include:spf.constantcontact.com include:spf.mailjet.com ip4:2.139.153.50 ip4:52.200.252.231 ip4:52.21.224.229 -all

There are 2 domains that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:20177147.spf01.hubspotemail.net include:spf.constantcontact.com include:spf.mailjet.com ip4:2.139.153.50 ip4:52.200.252.231 ip4:52.21.224.229 -all. The top 2 records ordered by domain rank are listed below.

We're currently tracking 375,640,409 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.