On 17 October 2016, a website hosted by the French Ministry of the Interior went offline when a large number of customers of the Internet service provider, Orange, were redirected to the site. The problem occurred after Google, Wikipedia and cloud provider OVH were mistakenly placed on a terrorism block list. … Read more
I work at AFNIC (the registry of .fr domain names), in the R&D department, on, among other things, DNS, security, statistics.
Pages created by Stéphane Bortzmeyer
This article explains how I use RIPE Atlas probes, the official API and custom scripts to debug network issues. … Read more
If you monitor your external Internet connectivity, you may wonder which machine is the best to ping. Hesitate no more - you can use RIPE Atlas anchors as landmarks.… Read more
The techniques used by the L-root DNS server are documented in RFC 7108 "A Summary of Various Mechanisms Deployed at L-Root for the Identification of Anycast Nodes". These techniques can be used by the RIPE Atlas probes to find the instance of L-root they are talking to.… Read more