Monday 8th April 2019

Ongoing maintenance on one of our DNS resolver, scheduled 1 year ago

We are going to proceed with a maintenance on one of our DNS resolver (
You may notice resolution issues with this specific resolver.
Service will be degraded, but our other resolver will still be available during this time.

We will proceed with 2 steps resulting in a short downtime (less than 15 seconds).

Start : 09-Apr-2019 1200Z 1400LT Expected maintenance window : 30 minutes

09/04/19 1215Z (1415LT)

The network team has identified the root cause and has restored IPV6 connectivity.