Measuring the Centrality of DNS Infrastructure in the Wild
, Yunyi Zhang 1,2, Fan Shi 1,2, Hong Shan 1,2,*, Bingyang Guo 1,2, Yuwei Li 1,2 and Pengfei Xue 1,2Round 1
Reviewer 1 Report
Dear Editor,
Please find the comments in the attached doc..
Comments for author File: 
Comments.pdf
Author Response
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Author Response File: Author Response.pdf
Reviewer 2 Report
Dear Editor,
Please find the attached document for the comments.
Comments for author File: Comments.pdf
Author Response
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Author Response File: Author Response.pdf
Reviewer 3 Report
The manuscript presents a novel and lightweight measurement approach to investigate the centralization of the DNS infrastructure, revealing that it is far more centralized than previously believed.
The research is well-motivated and the proposed approach is novel, which can contribute to the understanding of the DNS ecosystem. The study is rigorous and comprehensive, providing both client-side and server-side measurements, and investigating several leading DNS providers in IP infrastructure, load distribution, and service geo-distribution. The results are presented clearly and convincingly, highlighting the level of centralization of the DNS infrastructure, with more than 90% of forwarding resolvers backed by less than 5% of indirect resolvers, and only 0.45% of name servers providing authoritative domain resolution service for almost half of the domain names. Overall, the manuscript is well-written, well-structured, and presents significant findings that can inform policy and decision-making in the DNS ecosystem.
However, there are a few areas where the manuscript can be improved. First, the authors could provide more information about the limitations of their approach, such as the potential biases introduced by the selection of probing points and the reliance on passive DNS data.
Second, the authors could discuss the implications of their findings in more detail, such as the potential risks and challenges associated with the centralization of the DNS infrastructure, and how the community can address these issues.
Finally, the manuscript could benefit from a more detailed discussion of the related work, including the strengths and weaknesses of previous studies and how the proposed approach differs from and improves upon existing methods.
My recommendation is that the manuscript undergoes a thorough editing process.
Author Response
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Author Response File: Author Response.pdf
Round 2
Reviewer 1 Report
Dear Editor,
All the changes have been incorporated by the authors. Therefore, I recommend this manuscript to be published in this journal.
Please review the manuscript and rectify all the grammatical and spelling mistakes.
Reviewer 2 Report
Dear Editor,
I recommend this manuscript for publication in this journal.
It is suggested to review the whole manuscript and rectify all the grammatical and spelling mistakes.
