CertaDNS

DMARC Practitioner — assessment

questions
15
to pass
80%
retakes
Unlimited
time limit
None

Covers

  • The Policy Record
  • Finding the Policy
  • Aggregate Reporting
  • Failure Reports
  • Staged Enforcement
  • Diagnosing Failures
  • DMARC Across an Estate
  • Operating DMARC

Sample question

A message has From: alerts@notifications.example.com. There is no _dmarc record at that name. Which record governs it?

  • The record at example.com — its sp value, or p if sp is absent.A receiver queries the exact domain first, then the organisational domain, and stops at the first answer. With nothing at the subdomain, the apex record’s subdomain policy applies.
  • None — a subdomain without its own record has no policy.That is how SPF behaves. DMARC’s second query exists precisely so subdomains are covered by the apex.
  • The record at example.com, using its p value directly.Close, and sp is what governs subdomains. It only equals p when sp is absent.
  • Whichever of the two records is stricter.Records are never compared or merged. Exactly one governs any evaluation, found by the two-query lookup.

Every option carries an explanation, including the wrong ones.

The assessment needs an account.

Passing issues DMARC Practitioner. A CertaDNS Academy certificate records that you completed a course and passed its assessment on a given date. It is not a professional certification, it is not accredited, and it does not expire.