Ridiculously slow internet!

Ok, when I upgraded to Leopard i forgot my network password(BIG mistake) and had to hold down the reset button on my airport extreme to reset it all. Since then I have had nothing but problems with the internet. I ended up having to call apple and get them to help me set it all back up again. Its all up and running now and its been running for about a week but the internet is sooooooooo slow. I remember from previous problems that some of my IP or DNS addresses or whatever were wrong(I'm not even sure if those are the right names) but when I got the right ones put in my internet was fast as ever. So what I'm asking is if anyone can help me out? I have Cox High-speed Internet in Phoenix, Az(not sure if you need that but oh well). Any suggestions would be GREATLY appreciated! Have a goodnight everyone!

EvilDoc said:

Wirelessly posted (Mozilla/4.0 (compatible; MSIE 6.0; Windows CE; IEMobile 6.12) T-Mobile Dash)

I had a similar situation i went into the airport utlity and restored the defaults and made sure there wasnt any conflicts. Are you connecting wirelessly or are you hardwired into the router? Funny thing is i live in Phx az too, i wonder if Its cox?

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I'm connected wirelessly. I have a motorola surfboard cable modem and the apple airport extreme router.

Anybody know how to delete threads? I looked up my previous threads and fixed my problem. My DNS servers were all messed up.
Thank you,
Have a goodnight