DNS Domain Name system DNS Hierachical Video Domain
Influence Map of DNS Root Anycast Servers - CAIDA
Location of domain name root servers, 2018 - World Atlas of Global Issues
CSCI1680 DNS Rodrigo Fonseca Based partly on lecture
インターネット10分講座：DNSルートサーバ - JPNIC
The (very) uneven distribution of DNS root servers on the Internet - Pingdom
Root name server - Wikipedia
Location of domain name root servers, 2018 - World Atlas of Global Issues
The (very) uneven distribution of DNS root servers on the Internet - Pingdom
File:Root-current.svg - Wikimedia Commons
Verisign's Perspective on Recent Root Server Attacks
IP Expo 2009 – DNS Best Practice
Comparing DNS Root Server Performance
How bad it would be? If hackers managed to take down all 13 Root DNS servers at the same time? - Information Security Stack Exchange
ICANN | Application for Tax-Exempt Status (U.S.) | Appendix 13
DNS for Penetration Testers - Speaker Deck
What are the 13 root servers? - Quora
HandshakeとHNSとは何か？ - by TheCoffeeTimes ☕
Domain Mondo | domainmondo.com: ICANN, IANA Functions, Internet DNS Root, Root Server Operators
What are the root DNS servers, and where are they located? - Quora
