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Network Solutions Under Large Scale DDoS Attack, Millions of Websites Potentially Unreachable

Update Received from Network Solutions Jan 23, 2009 7:27PM PST
"DNS queries for web sites should be responding normally. Thank you all for your understanding. As always, we will continue to work to take measures to prevent these and other types of technical issues caused by third parties that may impact our customers."

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Network Solutions is having problems with "all" its name servers, according to their tech support and a recent post on North American Network Operators' Group (NANOG) mailing list indicates that it has been under very large-scale UDP/53 DDoS attack for the last 48 hour period. As a result, domain names hosted with Network Solutions' Worldnic have been affected.

Network Solutions is one of the leading domain registrars and DNS hosting providers in the world, managing more than 7.6 million domain names.

Update Received from Network Solutions Jan 23, 2009 2:58 PM PST
Shashi Bellamkonda of network Soltions has provided CircleID the following update: "I posted an update on our blog (http://cli.gs/V12h9p) and we have been communicating to our customers on Twitter (http://twitter.com/netsolcares) and have an IVR giving customers an update. The update is: There is a spike in DNS query volumes that is causing latency for the delay in web sites resolving. This is a result of a DDOS attack. We are taking measures to mitigate the attack and speed up queries."

Updates:  UPDATED Jan 24, 2009 8:28 AM PDT
Potential Latency on Network Solutions DNS Network Solutions Blog, Jan.23.2009
Network Solutions Under Large-Scale DDoS Attack Slashdot, Jan.23.2009
SANS / Actual attack method used against Network Solutions Daniel Wesemann, Jan.24.2009

Related topics: Cyberattack, Data Center, DDoS, DNS, Domain Names

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