Date Published: March 16, 2022
How to lookup DMARC and SPF records for a domain
When troubleshooting email delivery, it is essential to know what the SPF (Sender Policy Framework) and the DMARC (Domain-based Message Authentication, Reporting & Conformance) records are for the domain.
You can lookup records from the Command Line:
Dig and NSLookup are two common command line tools to lookup DNS records.
To lookup DMARC:
dig txt _dmarc.[EXAMPLE.COM]
or
nslookup -type=txt _dmarc.[EXAMPLE.COM}
To Lookup SPF records:
nslookup -type=txt [EXAMPLE.COM]
or
You can also use the MXtoolbox website to lookup and test email delivery: https://mxtoolbox.com/SuperTool.aspx
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