whatsmydns.net - DNS Propagation Checker
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CAA Record Lookup

whatsmydns.net CAA Record Lookup tool lets you query DNS servers and receive instant results.

Certification Authority Authorization or CAA lookups are used to determine the CAA records associated with a domain.

Looking for something easier to understand? Use the Global DNS Check tool.

DNS Checker

It is sometimes difficult to diagnose DNS issues from single server or your own local network as DNS is a global system.

You can use the global DNS propagation checker to perform DNS lookups all around the world at the same time.

Launch the Global DNS Checker.

Flush DNS

Often many DNS problems are contained to only your local device or network, and do not affect the rest of the world when checking DNS globally.

Your DNS cache is used to speed up DNS lookup requests, but sometimes are out of date and need to be cleared manually.

Learn how to flush your DNS.

Latest DNS Articles

DNS has a much bigger impact on our daily lives than many people realise, catch up on the latest news articles.

From the Blog

Check out some of the latest posts from the development blog to see what has been happening with whatsmydns!