A step-by-step guide on “How to Publish a DMARC Record with DYN”

Publishing a DMARC (Domain-based Message Authentication, Reporting, and Conformance) record with Dyn (now part of Oracle) involves a few straightforward steps. Here’s a step-by-step guide:

  1. Access Your Dyn Account:
  2. Select Your Domain:
    • Choose the specific domain for which you want to establish a DMARC record.
  3. Navigate to DNS Management:
    • Look for a section or option related to DNS management or domain settings. Dyn typically provides a user-friendly DNS management interface.
  4. Create a DMARC Record:
    • Within the DNS management interface, find the option to create a new DNS record, which might be labeled as “Add Record” or “Create Record“.
  5. Fill in DMARC Record Details:
    • Enter the required details for your DMARC record:
      • Host or Name: Set it to “_dmarc” (with the underscore, as it’s essential for DMARC).
      • Type: Choose “TXT” from the list of available record types.
      • TTL (Time to Live): Set the TTL according to your preferences. It can vary from a few minutes to an hour or more.
      • Data or Value: Enter your DMARC policy. A standard DMARC record might appear as  “v=DMARC1; p=quarantine; rua=mailto:dmarc@example.com; ruf=mailto:ruf.dmarc@example.com; fo=1″
  6. Save the DMARC Record:
    • Once you’ve entered the DMARC information, save or create the record to publish it in your DNS settings.
  7. Verify the DMARC Record:
    • It may take some time for the DMARC record to propagate. You can verify its proper publication using a DMARC record checker tool or Dyn’s own DNS lookup feature.
  8. Monitor and Adjust:
    • Regularly check your DMARC reports and, if necessary, adjust your DMARC policy to enhance email authentication and security.

Please note that specific steps and terminology might differ slightly within the Dyn platform, so it’s advisable to consult Dyn’s documentation or support resources if you encounter any difficulties or if their interface has been updated.