low·DNS Controls·Updated Dec 16, 2023

Detect DNS over HTTPS

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.

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Est. Time~10 seconds

Scan TypeSingle Scan

Targetsurl

CostFree

2.7k

Times Used

continuous scan runs

4.8k

Continuously Checked

assets under CS

Vulnerabilities Found

confirmed findings

References

github.com↗

Detail

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.

Solution Advice

Privacy Best Practices for DoH

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

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Detect DNS over HTTPS

Privacy Best Practices for DoH

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