Domains with DNS TXT v=spf1 mx a include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:antispameurope.com include:_spf.psm.knowbe4.com include:sendgrid.net include:40108174.spf10.hubspotemail.net -all

There is 1 domain that have DNS TXT set to v=spf1 mx a include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com include:antispameurope.com include:_spf.psm.knowbe4.com include:sendgrid.net include:40108174.spf10.hubspotemail.net -all.

We're currently tracking 295,872,568 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.