docs(fix): update deactivation info (#5103)

Author: nerda-codes

pages/domains-and-dns/how-to/configure-dnssec-internal-domain.mdx

@@ -7,7 +7,7 @@ content:
   paragraph: Learn how to configure DNSSEC for your internal domains using Scaleway's Domains and DNS service. Enable, edit, or deactivate DNSSEC to enhance security and authentication for your domains.
 tags: domain dns dnssec internal-domain
 dates:
-  validation: 2025-01-20
+  validation: 2025-06-11
   posted: 2022-10-31
 categories:
   - network
@@ -40,6 +40,5 @@ DNSSEC will be active in a matter of minutes.
 3. Click the domain name you want to configure.
 4. Click **Deactivate** under **DNSSEC** in the domain information section.
 
-DNSSEC will be deactivated in a matter of minutes.
-
+DNSSEC deactivation can take up to 48 hours to fully propagate.