Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:email.prnewswire.com include:spf.ess.barracudanetworks.com include:_spf.salesforce.com include:cust-spf.exacttarget.com include:_spf.smtp.com include:eventsairmail.com include:sendgrid.net -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:email.prnewswire.com include:spf.ess.barracudanetworks.com include:_spf.salesforce.com include:cust-spf.exacttarget.com include:_spf.smtp.com include:eventsairmail.com include:sendgrid.net -all.

We're currently tracking 297,130,211 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.