Read this. It's ICANN's summary on the last DDOS on the root DNS servers. http://www.icann.org/en/announcements/factsheet-dns-attack-08mar07.pdf http://www.ica

Read this. It's ICANN's summary on the last DDOS on the root DNS servers. http://www.icann.org/en/announcements/factsheet-dns-attack-08mar07.pdf http://www.icann.org/en/announcements/factsheet-dns-attack-0...