[Apologies for duplicate emails] Dear Colleagues, After a short K-root outage last week, RIPE NCC Chief Scientist Daniel Karrenberg investigated exactly what happened using the public RIPE NCC tools DNSMON and RIS. Read this interesting and informative step-by-step case study on RIPE Labs: https://labs.ripe.net/Members/dfk/investigating/investigating-events-with-ri... Kind regards, Mirjam Kühne RIPE Labs