On Friday a large chunk of the internet went off the air when Cloudflare apparently fat-fingered a routing update and sent all of their global traffic to a single POP, vaporizing it almost instantly. This affected their DNS service, and of course, as everybody knows, when your DNS is gone, so are you. At least […]
DDoS
Lessons Learned from the Namejuice/DROA/DROC Outage
Last week an ICANN registrar, Namejuice, went off the air for the better part of the day – disappearing off the internet at approximately 8:30am, taking all domains delegated to its nameservers with it, and did not come back online until close to 11pm ET. That was a full business day and more of complete […]
DNSResolvers open resolvers will be shut down.
We recently made the decision internally that our DNSResolvers.com had to cease being open resolvers. We were still trying to figure out the best way to transition to an authenticated model gracefully. However, tonight we were DDoS-ed against those open resolvers and while our core easyDNS authoritative DNS services were not impacted, our customer environment […]
Post mortem of the overnight DDoS Attack
Overnight on October 24, 2011 between the hours of approximately 12:55am and 2:55am ET the NS1 and NS2 anycast constellations came under a DDoS Attack. The attack was a combined syn flood and DNS flood which impaired the following anycast constellations to varying degrees: ns1.easydns.com/remote1.easydns.com (a.k.a dns1.easydns.com) ns2.easydns.com/remote2.easydns.com (a.k.a dns2.easydns.net) The attack primarily impacted […]