The authoritative name servers that serve the DNS root zone, commonly known as the “root servers”, are a network of hundreds of servers in many countries around the world. They are configured in the DNS root zone as 13 named authorities.
October 21, 2002
- Attack traffic contained ICMP, TCP SYN, fragmented TCP, and UDP.
- Attack volume was approximately 50 to 100 Mbits/sec (100 to 200 Kpkts/sec) per root name server, yielding a total attack volume was approximately 900 Mbits/sec (1.8 Mpkts/sec).
February 6, 2007
November 30, 2015
Distributed denial-of-service attacks on root nameservers - Wikipedia
21 Oct 2002 Root Server Denial of Service Attack - Report
Root Servers - iana.org