<p dir="ltr"> On Apr 14, 2016 2:47 AM, "Stephane Bortzmeyer" <<a href="mailto:bortzmeyer@nic.fr">bortzmeyer@nic.fr</a>> wrote:<br>
><br>
> G-root stopped answering over UDP around 0300 UTC<br>
> <<a href="https://atlas.ripe.net/dnsmon/group/root?dnsmon.session.color_range_pls=0-66-66-99-100&dnsmon.session.exclude-errors=true&dnsmon.type=server-probes&dnsmon.server=192.112.36.4&dnsmon.zone=root&dnsmon.startTime=1460575200&dnsmon.endTime=1460617200&dnsmon.ipVersion=both">https://atlas.ripe.net/dnsmon/group/root?dnsmon.session.color_range_pls=0-66-66-99-100&dnsmon.session.exclude-errors=true&dnsmon.type=server-probes&dnsmon.server=192.112.36.4&dnsmon.zone=root&dnsmon.startTime=1460575200&dnsmon.endTime=1460617200&dnsmon.ipVersion=both</a>><br>
> All six instances are affected.<br>
><br>
> Still works over TCP (and replies to traceroute).<br>
><br>
> AFAIK, no explanations given. You can imagine your own :-)<br></p>
<p dir="ltr">Is there any way to estimate the actual impact, assuming "x" hours of malfunction? </p>
<p dir="ltr">Thank you <br>
***Stefan</p>