Detect DNS over HTTPS

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Asset Type

DOMAIN,IP,URL

Need Membership

No

Asset Verify

No

API Support

Yes

Estimate Time (Second)

10

Detect DNS over HTTPS Detail

Even if you are visiting a site using HTTPS, your DNS query is sent over an unencrypted connection. That means that even if you are browsing https://cloudflare.com, anyone listening to packets on the network knows you are attempting to visit cloudflare.com.

DNS over HTTPS (DoH) is a protocol for performing remote Domain Name System (DNS) resolution via the HTTPS protocol. A goal of the method is to increase user privacy and security by preventing eavesdropping and manipulation of DNS data by man-in-the-middle attacks by using the HTTPS protocol to encrypt the data between the DoH client and the DoH-based DNS resolver.

Some Advice for Common Problems

Privacy Best Practices for DoH

  1. Limit use of HTTP Headers
  2. Use EDNS padding options
  3. Use RFC 8484 POST only for privacy sensitive applications or browser modes

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