On the NS1 Connect platform, a linked zone refers to a vanity domain that forwards resolvers to the "real" or target domain. This configuration can be useful if you have multiple domains that should point to the same set of DNS records as it prevents you from having to duplicate and manage multiple sets of DNS records.
For example, say you have an existing zone configured with all the corresponding DNS records for the domain "example.com". Then, you purchase the domain "example.site" to serve the same content. In this case, you would create a linked zone for "example.site", specifying "example.com" as the target zone.
Consider the following before creating a linked zone:
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You cannot create a linked zone that points to another linked zone.
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Record-level query statistics are not available for linked zones. This data is aggregated and reflected within the record-level query reports in the target zone.
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You cannot modify zone settings or add records to a linked zone. Clicking the name of a linked zone in the list of zones redirects you to the target zone details. The only operation you can perform on a linked zone is to delete it. This is done from the zone list by clicking the trash can icon next to the name of the linked zone.
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The instructions below assume you already created the target zone and its corresponding DNS records.
Follow the instructions below to create a linked zone pointing to an existing (target) zone on the NS1 Connect platform.
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In the portal, navigate to DNS > Zones.
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Click the "+" (add) button to create a new zone.
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Under Domain name, enter a valid, fully qualified domain name (FQDN) for the linked zone. This is the vanity domain name.
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Under Zone settings, select Linked zone.
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Begin typing the name of the target zone in the search bar, and then select it from the list.
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Click Save zone.
The new zone appears in the list with an icon indicating it is a linked zone.