# Flush Cache

See the [FAQ](https://developers.google.com/speed/public-dns/faq#update_cache) for more information on the
flush cache feature.

> [!NOTE]
> **Note:** If the registrar or DNS hosting for a domain changed recently, ***flush the main domain name first*** before flushing subdomains.

<iframe width="100%" height="500" src="https://dns.google/cache"></iframe>