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Computer Science > Networking and Internet Architecture

arXiv:2308.07966 (cs)
[Submitted on 15 Aug 2023]

Title:Understanding DNS Query Composition at B-Root

Authors:Jacob Ginesin, Jelena Mirkovic
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Abstract:The Domain Name System (DNS) is part of critical internet infrastructure, as DNS is invoked whenever a remote server is accessed (an URL is visited, an API request is made, etc.) by any application. DNS queries are served in hierarchical manner, with most queries served locally from cached data, and a small fraction propagating to the top of the hierarchy - DNS root name servers. Our research aims to provide a comprehensive, longitudinal characterization of DNS queries received at B-Root over ten years. We sampled and analyzed a 28-billion-query large dataset from the ten annual Day in the Life of the Internet (DITL) experiments from 2013 through 2022. We sought to identify and quantify unexpected DNS queries, establish longitudinal trends, and compare our findings with published results of others. We found that unexpected query traffic increased from 39.57% in 2013 to 67.91% in 2022, with 36.55% of queries being priming queries. We also observed growth and decline of Chromium-initiated, random DNS queries. Finally, we analyzed the largest DNS query senders and established that most of their traffic consists of unexpected queries.
Comments: 20 pages with 18 figures and 1 table. Published and presented at the 2022 IEEE/ACM International Conference on Big Data Computing, Applications and Technologies (BDCAT)
Subjects: Networking and Internet Architecture (cs.NI)
ACM classes: C.2.2
Cite as: arXiv:2308.07966 [cs.NI]
  (or arXiv:2308.07966v1 [cs.NI] for this version)
  https://doi.org/10.48550/arXiv.2308.07966
Related DOI: https://doi.org/10.1109/BDCAT56447.2022.00044

Submission history

From: Jacob Ginesin [view email]
[v1] Tue, 15 Aug 2023 18:02:17 UTC (2,253 KB)
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