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Testing for DNS With cURL When nslookup and dig Are Missing in Container

Publish Date: Jul 25, 2025

Steps

CONTENTS

You are in a container. You want to test DNS when dig and nslookup are missing but only curl is available.

STEPS TO FOLLOW

Use curl with the following options. This trick will allow you to get the DNS of an address.

randall.tom@rtom-ltm ~ % curl -kv https://www.google.com
*   Trying 172.217.14.68:443...
* Connected to www.google.com (172.217.14.68) port 443 (#0)

Knowledge Article Number

001114416

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