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Migrate subdomains from CNAME to custom delegation

Preview since 19 Feb 2026 notable

Subdomains can now be migrated from CNAME to custom delegation directly in the interface, in Limited Availability.

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experienceleague.adobe.com Evidence for Preview · 19 Feb 2026
Platform
Adobe Journey Optimizer
Capability
Deliverability & sender infrastructure · Channels
Vendor's name
Migrate subdomains to custom delegation
First recorded
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Lifecycle history 1 state

  1. Preview19 Feb 2026
    First recorded 27 Sep 2026 · recorded from the source history · vendor release notes · experienceleague.adobe.com ↗ · archived copy, 26 Sep 2026 ↗

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