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Old December 22nd, 2013, 01:52 PM   #30 (permalink)
Rukbat
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Join Date: Jan 2012
Location: Fayetteville, NC, USA
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Quote:
Originally Posted by Hawker View Post
Your dns isn't supplied directly by your isp. Its configured into your router so unless you got it directly from your isp it will have been preset by the manufacturer, either directly or possibly when/if you ran through a router installation wizard.
BTW, totally, totally wrong. The first time the router handshakes with the ISP, it gets the (usually 2) DNS server addresses that the ISP uses. And every time you reset it after that (most router menus have a "reget the connection" button somewhere in one of the menus) it gets the DNS server IP(s) again. (Most of the time it also gets them when the DHCP lease expires.)

But using Google DNS or OpenDNS is probably the best way to start diagnosing this problem. If the ISP thinks of quality service as an expense, it may take them a while to notice that their DNS servers went down.

Then again, the cache in the router might, if left on long enough, become corrupted. (Although I've had SOHO Linkys run for 10 years without so much as looking at the case to see if it was still there. Not bad for $40, but if you take a look at their salary ranges, you'd better be sitting down. "You listed the Chief of Operations as a programmer.")
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The Following 2 Users Say Thank You to Rukbat For This Useful Post:
Hawker (December 22nd, 2013), ironass (December 22nd, 2013)