Quote:
Originally Posted by RealDiamond
Sky was one of ISPs in the UK which failed to update their DNS data base correctly. This trigged false claims that the PS3 PSN network was faulty even when Virgin media, Open DNS and BT DNS use was fine still. As usual SKY blammed Some one else.
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Neither Sky nor any other ISP manually updates DNS it's done automagically based on TTLs provided by authoritative servers.
http://en.wikipedia.org/wiki/Time_to_live