DNS over HTTPS is a relatively new feature to improve the privacy, security and connection reliability of DNS look-ups; the feature is currently in draft status and tested by companies such as Google, Cloudflare or Mozilla.
DNS resolves play an important part on today's Internet; domain names that you enter in your browser's address bar need to be linked to IP addresses, and that is what DNS is used for.
These DNS look-ups happen automatically and often without any form of encryption or protection from prying eyes or tampering.
Internet users up until now had options to connect to a non-leaking VPN provider, switch the DNS provider to one that promises better privacy and security, or use DNSCrypt to improve privacy and security.
Firefox users who run Firefox Nightly may configure the browser to use DNS over HTTPS right now.Type about:support to check the version of Firefox; it if it at least version 60.x, you may configure the feature. Please note that this may lead to connectivity issues (which may be limited by configuring a fallback).
Note: You may use a number of DNS over HTTPS supporting services now. You can check out the latest listing on GitHub. Some examples:
It is necessary to change three Trusted Recursive Resolver preferences in the browser.
Note: Mozilla has a special agreement with Cloudflare which limits the logged data and data retention. Cloudflare launched the public DNs service 22.214.171.124 yesterday which supports DNS over HTTPS as well.
Tip: Check out our Firefox DNS over HTTPS article which lists all available parameters and what they do.
The core benefit of DNS over HTTPS is that you limit exposure of your DNS queries. You need to trust the public provider, Cloudflare or Google are the only ones right now. It is likely that other providers will introduce support for it if the feature is integrated into the stable versions of popular web browsers.
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Ghacks is a technology news blog that was founded in 2005 by Martin Brinkmann. It has since then become one of the most popular tech news sites on the Internet with five authors and regular contributions from freelance writers.