Domains with DNS TXT v=spf1 +a +mx +ip4:51.222.240.217 +ip4:192.99.81.55 +include:spf.protection.outlook.com -all

There are 22 domains that have DNS TXT set to v=spf1 +a +mx +ip4:51.222.240.217 +ip4:192.99.81.55 +include:spf.protection.outlook.com -all. The top 22 records ordered by domain rank are listed below.

We're currently tracking 322,539,866 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.