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Meaning of “WARNING: No A or AAAA records found”

Meaning of “WARNING: No A or AAAA records found”

Technical Guidance

If you publish an SPF record and use the a mechanism, but your domain doesn’t actually have an A record in place, then you’ll see this warning.

Here’s a sample SPF record that contains the a mechanism (the a is in bold):

v=spf1 a ~all

The A DNS record is how you use the DNS to associate an IP address with your domain.  The AAAA DNS record (also called “quad-A”) is used to associate an IPv6 address with your domain.

If you don’t have an IP address associated with your domain, then you shouldn’t use the a mechanism in your SPF records. This might be the case if you’re only using your domain for email.

We’re Here to Help

With a team of email security experts and a mission of making email and the internet more trustworthy through domain security, dmarcian is here to help assess an organization’s domain catalog and implement and manage DMARC for the long haul.

You can get in touch with us or register for a free trial where our onboarding and support team will help you along the way.

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