This article details how to test Authoritative DNS Resolution with an external tool.
- Browse to http://www.digwebinterface.com
- Enter the list of hosts you wish to test under Hostnames or IP addresses
- Select Specify myself: under Nameservers and enter the UltraDNS name servers you wish to test (usually the ones that were assigned to you by Customer Support)
- Click Dig
Additional Information
Insight into Step 4
The answers should match whatever you have configured for the host in question in https://portal.ultradns.com