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Configure DNSSEC with Cloudflare

Update 03/02/2026

This guide explains how to set up DNSSEC with Cloudflare for a domain registered with Infomaniak.

 

Prerequisites

  • The DNS zone of the domain must be managed by Cloudflare.

 

Configure DNSSEC with Cloudflare

To do this:

  1. Click here to access the Cloudflare console.
  2. Go to the DNS tab.
  3. Click on Enable DNSSEC.
  4. Keep the following information handy:

    (see points 8 & 10 below)
    1. The details under a will go under HASH
    2. The details under b will go under HASH TYPE
    3. The details under c will go under ALGORITHM
    4. The details under d will go under KEY
  5. Click here to access the management of your domain on the Infomaniak Manager.
  6. Click directly on the name assigned to the domain in question.
  7. Activate DNSSEC from the Dashboard:
  8. On the window that appears, enter the requested information with the data provided by Cloudflare (see point 4 above):
    1. Hash = Digest
    2. Hash Type = Digest Type
    3. Algorithm = Algorithm
    4. Key = Key Tag
  9. Click on Activate:
  10. In the case of a domain with extension.eu, the necessary details may be significantly different (see point 4 above):
    • The details under FLAGS will go under FLAGS
    • The details under PUBLIC KEY will go under PUBLIC KEY

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