And like in Command Prompt, you can also export or save the database. You can view the DNS cache using Windows PowerShell. This will save the output in the text document, dnscachecontents.txt. Ipconfig /displaydns > dnscachecontents.txt You can export the results of the DNS cache using this command: CNAME Record – This is the canonical name record.Section – This is the answer to the query.For instance, the IPv4 address is four bytes, and the IPv6 address is 16 bytes. Data Length – This describes the length in bytes.Time to Live (TTL) – This is a value that describes how long a cache entry is valid, displayed in seconds.Record Type – This refers to the type of entry, displayed as a number (although they are commonly referred to by their names).Record Name – This is the name you query the DNS for, and the records, such as addresses that belong to that name.Upon execution of the command, the following results will be displayed: On the Command Prompt window, type the following command and press Enter:.Click on Run as administrator on the right pane.Press the Win + S shortcut keys and type in “cmd” (without quotes).To display the contents of the DNS cache, you need to execute the following command in an elevated Command Prompt: This can be useful if you want to diagnose DNS issues, for example, where an invalid or out of date DNS record might be cached. How to Check DNS Cache on Windows 10Īs noted earlier, there are various ways to display DNS cache on Windows 10. Since the information is available locally, the process is much quicker. Its main purpose is to speed up a request to load a website by handling name resolution of addresses that you recently visited before the request is sent out to tons of public DNS servers. The DNS cache is like a phonebook that stores an index of all public websites and their IP addresses. Your computer can quickly refer to it whenever trying to load a website. It serves as a database that keeps a copy of a DNS lookup, locally stored on your browser or operating system.

It is maintained by your computer, and it contains records of all the recently visited websites and their IP addresses. What Is the DNS Cache?ĭNS, (Domain Name System) cache, sometimes referred to as DNS Resolver Cache, is a temporary storage of information.

First, here’s a summary of what the DNS cache means. On a Windows 10 PC, there are several methods you can use to display the DNS contents.

Do you want to learn how to view DNS cache in Windows 10? If so, this tutorial is for you.

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