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= NXDOMAIN flood attack =


What is a DNS NXDOMAIN Flood DDoS Attack?
https://www.netscout.com/what-is-ddos/dns-nxdomain-flood


[TLP:CLEAR, ID#202304071200, Page 1 of 2]
U.S. Department of Health and Human Services

Health Sector Cybersecurity Coordination Center (HC3) www.HHS.GOV/HC3

HC3: Sector Alert
April 07, 2023 TLP:CLEAR Report: 202304071200

Alert for DNS NXDOMAIN Attacks
file:///home/tmaeno/Downloads/dns-nxdomain-attacks-sector-alert.pdf


== Random Subdomain Attacks ==
Recommendations on Protection Against Random Subdomain Attacks
July 2, 2021 | Jie Ji


pseudo-random subdomain (PRSD) attack


DNS権威サーバのクラウドサービス向けに行われた攻撃および対策 / DNS Pseudo-Random Subdomain Attack and mitigations

JANOG51発表資料 
https://speakerdeck.com/kazeburo/dns-pseudo-random-subdomain-attack-and-mitigations

https://www.janog.gr.jp/meeting/janog51/dns/
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