Domains with DNS TXT v=spf1 a mx include:spf4.sbr-master.net include:spf.protection.outlook.com include:s ~all

There are 15 domains that have DNS TXT set to v=spf1 a mx include:spf4.sbr-master.net include:spf.protection.outlook.com include:s ~all. The top 15 records ordered by domain rank are listed below.

We're currently tracking 393,907,021 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.