How to delegate nameservers in ARIN?

If you are planning to lease your subnet (sometimes also called as IP range or prefix) on Heficed’s Additional IPs section, you would first need to change the delegation for this prefix to Heficed’s nameservers, which would enable rDNS (Reverse DNS) to be controlled via Terminal.

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  1. Login to ARIN Account Manager portal to delegate namerservers:
ARIN account manager

2. Click on your Networks either directly via Dashboard link or through menu option IP Addresses -> Search

View and manage your networks

3. For a prefix of interest in “View & Manage Network” click “Actions” drop-down and select “Manage Reverse DNS”

Network information

4. Select the Delegation, which is going to be announced on the HEFICED network, and click “Modify Nameservers” in the ARIN dashboard.

Manage reverse DNS

5. Set Nameservers to: and keeping default TTL. Click Apply to All

Selected delegations

After completing all the steps, your nameservers delegation in ARIN should be successful!

If you face any issues when trying to delegate nameservers, feel free to submit a ticket to our customer support team: Terminal-> Support -> Cases -> Submit a Ticket.
Alternatively, you can send us an email:

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