[dns-operations] DNS attacks against FR/BE/NL resolvers of Internet access providers

[Stephane Bortzmeyer]

On 1 and 2 September 2020, several French IAPs (Internet Access
Providers), including SFR and Bouygues, were "down". Their DNS
resolvers were offline, and it does indeed seem that this was the
result of an attack carried out against these resolvers.

https://www.afnic.fr/en/resources/blog/about-the-attack-on-french-isps-dns-resolvers.html