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Just curious, if my ISP's DNS server was actually unavailable (as opposed to a DNS attack like poisoning) does the DNS architecture have a way of traversing up the DNS hierarchy until it finds a functional DNS server (or one who can translate the browser query)?
Or, would my browser just tell me it cannot resolve the address -> IP address because the DNS server at my ISP was down and i would be able to use my internet?
3You will still be able to use the internet - but you will have to use IP addresses – fpmurphy – 2011-12-29T14:02:59.203