Operations Status Page
The status.isc.org web page is here to help provide information about systemwide maintenance and outages for ISC. Our operations team will update this web page before, after, and possibly during any event. We encourage people to look here before sending email or opening tickets about problems they see.
- None Planned at this time.
- [Thu, 01 Jan 1970 00:00:00 +0000] Repeated Root Server Degradation:
From roughly 06:15 to 07:05 UTC this morning, F-Root has seen a repeat of last night's high traffic event. Automated countermeasures were in place, but some degredation still occured. Again, as in the previous event, when we deployed additional measures, the event stopped. We continue to work with the other Root Server Operators and will refine our defensive posture in light of these repeated attacks.
- [Mon, 30 Nov 2015 09:45:00 +0000] Root Server Degradation :
From roughly 07:00 to 09:00 UTC this morning the DNS Root System saw a significant event that degraded a number of the Root Server Operators. The event was seen by many of the RSOs, and had significant impact on B,C,E,F,G,H,I and K. In the case of F, we saw a signficant increase in total query traffic hitting nearly every site globally. This lead to automated countermeasures activating, but unfortunately, we also saw CPU exhaustion in many of our sites. During this time, DNSmon showed F as being unresponsive to up to 60% of the test queries. We worked closely with the other RSOs to develop mitigation strategies, but the attack ended before we were able to fully deploy and validate our fixes. ISC Ops team will continue to monitor things and will review the event to determine what we've learned and what we can put in place for the inevitable next-time.
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