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ZENODO
Preprint . 2026
License: CC BY
Data sources: ZENODO
ZENODO
Preprint . 2026
License: CC BY
Data sources: Datacite
ZENODO
Preprint . 2026
License: CC BY
Data sources: Datacite
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Chronos-DNS: An Open-Source, Distributed Telemetry Fabric for Auditing Encrypted DNS Performance and Security

Authors: Mishra, Rabin;

Chronos-DNS: An Open-Source, Distributed Telemetry Fabric for Auditing Encrypted DNS Performance and Security

Abstract

The global Internet is currently undergoing a critical security transition from legacy, unencrypted Domain Name System (DNS) query resolution over UDP/TCP port 53 to cryptographically secured transport protocols: DNS-over-HTTPS (DoH, RFC 8484) and DNS-over-TLS (DoT, RFC 7858). While encryption prevents passive eavesdropping and query manipulation, it introduces transport-layer and cryptographic handshake overheads that alter latency profiles, connection state lifespans, and reliability. This paper presents Chronos-DNS, a production-ready, cloud-native distributed measurement fabric designed to continuously collect, store, and visualize metrics from standard and encrypted resolver end-points. We detail the engineering lifecycle of this system, demonstrating how asynchronous network polling, relational telemetry persistence, zero-trust network topology (via Cloudflare Tunnels), and containerized git-driven CI/CD deployment work in unison to provide high-resolution, empirical datasets. Our proof-of-concept deployment on AWS EC2, monitored via Prometheus and Grafana, validates that DoT and DoH protocols present distinct performance trade-offs, making this measurement framework highly relevant to long-term internet engineering research, such as that conducted by the WIDE Project, CAIDA, and RIPE NCC.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average