Change DNS servers to solve tracert issues?


I have been unable to access my email service (I host with LuxSci)  for several hours now. In between, it worked for a while, but it's gone again.

I did a tracert and found timeouts from the 8th hop, all the way down to the 30th. Then, I changed the DNS servers for my internet connection to that of OpenDNS, but that hasn't solved the problem either.

Am I correct or mistaken in thinking that using the resolving servers of OpenDNS should solve my problem? I mean, if it was a routing issue with my ISP, shouldn't the move to OpenDNS solve it?

Thanks in advance.

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Darius GhassemCommented:
Traceroute has nothing to do with DNS. Traceroute traces the router hops to get to destination. If you are dropping hops then you have a routing problem somewhere I would contact your ISP.
scmeevenAuthor Commented:
Thanks! But, doesn't the dns server specify the route that the request should take?
Paul MacDonaldDirector, Information SystemsCommented:
"But, doesn't the dns server specify the route that the request should take?"
No, routers do that.  [dariusg] is almost certainly correct that this is a routing issue.  I agree you should contact your ISP to make sure they're aware of it.
Darius GhassemCommented:
DNS just queries for an IP address once your client gets the IP address from the DNS service then the client goes to the Default Gateway(router) the router then takes control from there.

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scmeevenAuthor Commented:
dariusg and paulmacd, thank you for clearing up my confusion.

My ISP has acknowledged the routing issue (the router is at NYC, it seems) and that the issue will be fixed in about 8 hours.

Horrible experience being unable to access business email for more than 24 hours. Should get myself an additional ISP connection, I guess.
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