Domains with DNS TXT v=spf1 mx a include:spf.smtp-engine.com -all

There are 18 domains that have DNS TXT set to v=spf1 mx a include:spf.smtp-engine.com -all. The top 18 records ordered by domain rank are listed below.

We're currently tracking 289,818,896 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.