Domains with DNS TXT v=spf1 include:spf.protection.outlook.com +include:bbcsreturn.convio.net +include:spf.psm.knowbe4.com ~all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com +include:bbcsreturn.convio.net +include:spf.psm.knowbe4.com ~all.

We're currently tracking 314,954,436 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.