DNS Privacy with Speed? Evaluating DNS over QUIC and its Impact on Web Performance. Tracked Without a Trace: Linking Sessions of Users by Unsupervised Learning of Patterns in Their DNS Traffic. You Are How You Query: Deriving Behavioral Fingerprints from DNS Traffic. QUIC: A UDP-Based Multiplexed and Secure Transport. QUIC Loss Detection and Congestion Control. Specification for DNS over Transport Layer Security (TLS).

Comparing the Effects of DNS, DoT, and DoH on Web Performance. Google Public DNS now supports DNS-over-TLS. Google Public DNS now offers DNS-over-HTTPS. DNS Proxy Pull Request Session Resumption and 0-RTT. ZMap: Fast Internet-Wide Scanning and Its Security Applications. Cloudflare Blog: Announcing experimental DDR in 1.1.1.1. Measuring DNS-over-HTTPS Performance around the World.

Yuchung Cheng, Jerry Chu, Sivasankar Radhakrishnan, and Arvind Jain.

Monitoring TLS adoption using backbone and edge traffic. An Empirical Study of the Cost of DNS-over-HTTPS. How DNS over HTTPS is Reshaping Privacy, Performance, and Policy in the Internet Ecosystem. The Dagstuhl Beginners Guide to Reproducibility for Experimental Networking Research. With increasing complexity of webpages, DoQ even catches up to DNS over UDP (DoUDP) as the cost of encryption amortizes: With DoQ being only ~2% slower than DoUDP, encrypted DNS becomes much more appealing for the Web. We find that DoQ excels over DoH, leading to significant improvements with up to 10% faster loads for simple webpages. In the first study of its kind, we perform distributed DoQ measurements across multiple vantage points to evaluate the impact of DoQ on Web performance. In contrast, QUIC combines the transport and cryptographic handshake into a single round-trip, which allows the recently standardized DNS over QUIC (DoQ) to provide DNS privacy with minimal latency. While DNS over TLS (DoT) and DNS over HTTPS (DoH) address this problem by leveraging transport encryption for DNS, both protocols are constrained by the underlying transport (TCP) and encryption (TLS) protocols, requiring multiple round-trips to establish a secure connection. However, DNS traffic is still largely unencrypted, which allows user profiles to be derived from plaintext DNS queries.

Over the last decade, Web traffic has significantly shifted towards HTTPS due to an increased awareness for privacy.

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