DNS problems?

Walter · EVDO Junkie Joined: 14 Sep 2005 Posts: 307

I'll second that. What I seemed to experience with Sprint's net infrastructure as a whole is inconsistency. I believe I have had just as fast lookup with Sprint DNS as now with OpenDNS, but not consistently so. I need to use OpenDNS a few more days to be more confident of this though.

And I'll add a little tidbit of info as well.

I believe Sprint continues working to make their wired infrastructure better. As little as 2 weeks ago, I was getting very inconsistent throughput as well and finally convinced myself it wasn't (or mostly wasn't) due to the wireless link between me and the tower. Then suddenly it improved significantly. I took a traceroute to my mailserver and the route had significantly changed within the Sprint portion. Looked like they routed through a different pipe from San Jose to Los Angeles (my mail server is in Santa Barbara). This new route has stayed and performance has been far more steady.

Now if they just wouldn't route me up to San Jose in the first place...
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mattengland · Posted: Fri Jun 29, 2007 7:48 am Post subject:

My DNS settings seem to be set on a per-network-interface basis, eg, EVDO interface DNS settings are separate from cabled ethernet setting, etc. If this is true for others, one may want to take care to make sure they are setting the EVDO interface DNS for EVDO performance. Frankly I just discovered that I had set my standard ethernet DNS propeerties and not my EVDO ones until just now. Embarassed

Walter · EVDO Junkie Joined: 14 Sep 2005 Posts: 307

Yes, Windows keeps TCP settings on a per network connection item basis. I would imagine that Linux and Mac OS X do too.
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muzicman82 · EVDO User Joined: 13 Dec 2005 Posts: 78

I'm reading up and at some point, Sprint stopped allowing alternate DNS servers...

At least I can't get OpenDNS to work.

If you think you're using OpenDNS with Sprint, go here.

alhanson · Posted: Mon Nov 17, 2008 9:40 am Post subject: DNS Open DNS

muzicman82,

Fill in all three of the blank in your router for setting static DNS. Don’t leave a blank setting in your router configuration for the default DNS from sprint to write it’s self in to. If DNS 1 can’t resolve the address it passes it to DNS 2. If DNS 2 can’t resolve the address it passes it to DNS (blank field). The default DNS from the IP then takes over. This is how a DNS worm works. It sends you a page that can not be resolved. Then writes it self in to the open field in your router appearing as your IP’s DNS.

I am still on satellite EVDO has not got to me yet. I use 4.2.2.2 for the third DNS in the router. I don’t think what DNS you use for the third static DNS is important. What is important by filling it the third DNS the router loops you back to DNS 1.
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muzicman82 · EVDO User Joined: 13 Dec 2005 Posts: 78

I did that... The CTR350 only has primary and secondary. OpenDNS should work right away. The OpenDNS test page is setup to catch a couple test domains that behave different whether you're using OpenDNS or not.

I found several posts here and elsewhere confirming that Sprint redirects all DNS requests to their own servers regardless of what your system or router servers are set to.