DNS error takes down internet in Sweden
Published: 14 Oct 2009 09:05 BST
A problem during routine maintenance of Sweden's top-level domain, .se, took down the internet for the country for about an hour on Monday night.
The .se registry used an incorrectly configured script to update the .se zone, Sweden-based Pingdom, which monitors website performance, wrote in a blog post on Tuesday. A period was dropped at the end of DNS (domain name system) records for the Swedish top-level domain, breaking the entire DNS lookup chain.
This meant websites ending in .se could not be accessed, and email to Swedish domain names stopped working. For some sites the problems will take longer to resolve because of the fact that DNS lookups are cached externally and those servers had to be flushed, Pingdom said.
See the full Internet breaks in Sweden after DNS maintenance error story on CNET News.
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