A broken piece of hardware in Network Solutions' domain name system rendered 120,000 websites unreachable this Monday morning.
The outage lasted one hour and four minutes, ending at 12:44pm Eastern Time, a Network Solutions spokeswoman told vnunet.com. The service disruption was caused by a hardware malfunction in the system that handles domain name requests, but not in the actual DNS server, she added.
The DNS system routes internet visitors to the appropriate web server, translating a domain name into the corresponding server's IP address. The outage affected only websites hosting their domains through Network Solutions.
While Network Solutions had a backup system in place to ensure continued service in case of failures, it didn't prevent Monday's crash.
"There is a lesson to learn for those affected and for those designing solutions. Do not put all your DNS servers on the same hardware, the same connections, the same location, the same management. Diversity is the key to success when it comes to the availablity of DNS services," noted Swa Frantzen, a Belgium member of the SANS Internet Storm Center.
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NatWest outage comes a day after Barclays' IT systems shut out customers and staff