How Do You Manually Create a Delegation to This DNS Server in the Parent Zone?


Angela Bailey

How Do You Manually Create a Delegation to This DNS Server in the Parent Zone?

When it comes to managing DNS servers, one common task is creating a delegation to another DNS server in the parent zone. This delegation allows you to delegate a subdomain to a different set of name servers, providing more flexibility and control over your DNS infrastructure.

What is a Delegation?

A delegation is essentially an instruction given to the parent zone’s name servers, specifying that a particular subdomain should be handled by a different set of name servers. This allows you to distribute the management of your DNS infrastructure across multiple servers, which can be useful for load balancing or separating different services.

Manually Creating a Delegation

To manually create a delegation, you need administrative access to both the parent zone and the child zone (subdomain) that you want to delegate. Follow these steps:

  1. Access the Parent Zone: Log in to your domain registrar or DNS hosting provider’s control panel and locate the management page for the parent zone (the main domain).
  2. Locate Name Servers: Find the section where you can manage name servers for your domain. This is typically called “DNS Management” or something similar.
  3. Add New Name Server: Add a new entry for each name server you want to delegate the subdomain to.

    Enter their names (e.g., and their IP addresses.

  4. Create NS Records: Go back to the main management page and find where you can add records. Create NS records for each name server you added in step 3. These records associate the name server names with their IP addresses.
  5. Save Changes: Save your changes, and the delegation should take effect within a few hours as the changes propagate across the DNS network.

Note: Keep in mind that the exact steps may vary depending on your DNS provider’s interface. If you’re unsure, consult their documentation or support resources for specific instructions.

Verifying the Delegation

Once you’ve created the delegation, it’s crucial to verify that it has been set up correctly. To do this:

  1. Use a DNS Lookup Tool: Utilize an online DNS lookup tool or run a command-line query to check that the name servers listed for your subdomain match the ones you specified in the delegation.
  2. Test Resolution: Perform a resolution test to ensure that queries for your subdomain are correctly routed to the delegated name servers and return the expected results.

Troubleshooting Common Issues

If you encounter any issues during or after setting up the delegation, here are some common problems and their possible solutions:

  • Inconsistent Name Servers: Make sure all name servers listed for your subdomain match across both the parent zone and child zone. Typos or missing entries can cause resolution failures.
  • TTL (Time-to-Live) Cache: If you recently made changes to your DNS records, give them time to propagate through caches.

    Cached data can cause delays in seeing updated delegations.

  • Name Server Reachability: Ensure that all delegated name servers are reachable from external networks. Firewalls or network settings may be blocking access, preventing proper resolution.

By following these steps and troubleshooting tips, you can manually create a delegation to another DNS server in the parent zone successfully. Delegations provide flexibility and scalability in managing your DNS infrastructure, making it easier to distribute the workload and improve overall performance.

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