DNS over HTTPS (DoH) is a method of encrypting Domain Name System (DNS) lookups, enhancing your online privacy and security. Instead of sending your DNS queries in plain text (which can be intercepted), DoH encrypts them using HTTPS, the same protocol used for secure web browsing. This prevents your Internet Service Provider (ISP) or other potential eavesdroppers from seeing which websites you're visiting.
The process of setting up DoH varies depending on your operating system, browser, and router. Here's a breakdown of common methods:
Many modern browsers offer built-in support for DoH. You can usually find these settings under the browser's privacy or network settings. Look for options related to "DNS over HTTPS," "DNS encryption," or similar terms. Popular browsers often allow you to choose a specific DoH provider, such as Cloudflare (1.1.1.1), Google Public DNS (8.8.8.8), or Quad9 (9.9.9.9). Instructions will vary slightly between browser versions, so consult your browser's help documentation.
Some operating systems, like Windows 10 and later, and many Linux distributions, allow you to configure DoH at the system level. This ensures that all applications, not just your browser, use DoH. This usually involves changing the DNS server settings in your network adapter settings. You would replace your current DNS server addresses with the DoH address of your chosen provider. Note that this may require administrative privileges.
Configuring DoH on your router ensures that all devices connected to your network use DoH automatically. This is often the most convenient method. However, the exact steps vary considerably depending on your router's make and model. Consult your router's manual or the manufacturer's website for instructions. Not all routers support DoH.
Several reputable DoH providers exist. Consider factors like privacy policy, performance, and features when selecting a provider. Some popular options include:
Important Note: While DoH enhances privacy, it doesn't offer complete anonymity. Your ISP can still see that you're using the internet, and the DoH provider will log some information (though the specifics vary widely among providers; review their privacy policies carefully).
If you encounter problems setting up or using DoH, consider these troubleshooting steps:
In some rare cases, DoH might cause compatibility issues with certain applications or network configurations. If you encounter problems after enabling DoH, consider temporarily disabling it to see if that resolves the issue.
By understanding and implementing DNS over HTTPS, you can significantly improve your online privacy and security. Remember to choose a reputable DoH provider and carefully review their privacy policy before making a selection.