dmarcian Tools

How to use Domain Groups

Domain Groups allow dmarcian users to easily group together and manage related domains.  Domain Groups are created using the Mission Control interface.  Domain Groups are typically used to group together domains by: (more…)
dmarcian
25 May 2016
dmarcian Tools

SPF-Identified Servers – How and Why

To turn DMARC into something useful to people, dmarcian processes DMARC data using a big pile of rules.  These rules identify sources of email, and dmarcian presents users with DMARC compliance information based on email source. One identified source of email is called "SPF-Identified Servers", and dmarcian users are often curious as to how data ends up in this source.  How and why this source works is explained below. (more…)
dmarcian
5 April 2016
dmarcian Tools

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

If you publish an SPF record and use the "a" mechanism, but your domain doesn't actually have a "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 include:_spf.google.com ~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…
dmarcian
8 October 2015