Below is a live breakdown of how sendgrid.com authenticates the mail it sends. Providers in the email industry are held to a high bar here, and their public records offer a practical example of SPF, DKIM, and DMARC in use.
The checks behind the grade
The score above reflects the public DNS records for sendgrid.com at the time of the scan. SPF declares which servers may send mail for the domain, DKIM signs each message so tampering can be detected, and DMARC combines both with a published policy. Additional transport-security records raise the grade by securing the delivery path between mail servers.
About this report
This report is generated from publicly available DNS records for sendgrid.com and is provided for informational and educational purposes only. SPFWise is not affiliated with, endorsed by, or connected to the owner of sendgrid.com. The records shown are the same ones any mail server can query, and the grade updates automatically as they change.
Want the same breakdown for your own domain? Run a free scan to get an identical grade along with the exact records to fix anything that is weak.