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Always note DNS server settings offline

Had a strange experience this evening - complete loss of the internet. My router was suggesting that I had ASDL connectivity, and even an IP address but I wasn't able to load any websites. After a bit of debugging with the help of a remote friend I figured out that I wasn't able to connect to my OpenDNS name servers and so wasn't resolving for me.

I updated my router with Google's DNS settings and was back in play - just goes to show that what appears to be an ISP outage can be a case of name servers not being available at that time.

Make sure you make a note of a few free DNS server details (i.e. both OpenDNS and GoogleDNS) offline so you can try them out if you ever end up 'offline'!