Domains with DNS TXT v=spf1 include:_spf.billtrust.com include:outlook.com include:relay.bswift.com include:spf.ess.barracudanetworks.com ~all

There is 1 domain that have DNS TXT set to v=spf1 include:_spf.billtrust.com include:outlook.com include:relay.bswift.com include:spf.ess.barracudanetworks.com ~all.

We're currently tracking 392,275,537 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.