Domains with DNS TXT v=spf1 a mx include:1-2-1smtp.com include:sendgrid.net ~all

There are 19 domains that have DNS TXT set to v=spf1 a mx include:1-2-1smtp.com include:sendgrid.net ~all. The top 19 records ordered by domain rank are listed below.

We're currently tracking 298,750,074 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.