No DNS connectivity
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- Re: No DNS connectivity
No DNS connectivity
15-01-2011 6:43 PM
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Since I joined Plusnet I noticed some sites I used to visit were unavailable (eHow, WikiHow etc.).
I thought the sites had been taken down. A couple of weeks ago I visited eHow on a friends PC, so why can't I get to it?
I thought is might be a temporary issue at my end.
My initial connection to most web pages takes so long that I get a 'Website Unresponsive' error most times.
As soon as the site is loaded, everything works fine.
I went into my thomson router settings and ran the Internet Connectivity Check.
This is what I get:
Connectivity to Gateway (195.166.130.34) ✔
Connectivity to DNS Server 1 (212.159.6.9) ✖
Connectivity to DNS Server 2 (212.159.6.10) ✖
I've checked it a few times now, tried reboots and disconnecting and reconnecting, I tried changing filters and cables but the problem doesn't seem to be at my end.
I've read the guides here on how to change the DNS Servers from an XP machine but is there any way to manually change the DNS choices with a mac, or do I have to go out and buy another router?
Re: No DNS connectivity
15-01-2011 6:52 PM
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What happens?
You won't have to buy a new router as you can change your dns settings in that.
There are a few mac users on forum (incl me) so we should be able to get you sorted
If it helped click the thumb
If it fixed it click 'This fixed my problem'
Re: No DNS connectivity
15-01-2011 11:24 PM
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If you really had no connectivity to the DNS servers you wouldn't be able to use internet at all really.
Quote from: feroluce Connectivity to DNS Server 1 (212.159.6.9) ✖
Connectivity to DNS Server 2 (212.159.6.10) ✖
Your issues with eHow are probably unrelated to what your router is telling you.
Re: No DNS connectivity
17-01-2011 4:00 PM
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fourfourdevon, That was my thinking too.
I now think it may be intermittent or too slow for the router test to register it.
I regularly get a page unresponsive error, this can happen at any website.
I also regularly get 'Error 105 (net::ERR_NAME_NOT_RESOLVED): The server could not be found'.
For both of these errors, refreshing a few times fixes it (except ehow).
Like I said, a weird one.
When I traceroute to plusnet I get:
traceroute to portal.plus.net (212.159.8.2), 64 hops max, 40 byte packets
1 dsldevice (192.168.1.254) 4235.591 ms 92.602 ms 100.028 ms
2 lo0-central2.pcl-ag03.plus.net (195.166.128.239) 31.339 ms 35.282 ms 30.912 ms
3 gi1-9-321.pcl-gw01.plus.net (84.92.6.72) 31.716 ms 30.392 ms 30.593 ms
4 gi5-8.ptp-cr01.plus.net (84.93.224.48) 40.547 ms 39.880 ms 42.153 ms
5 vlan400.pih-gw3.plus.net (84.93.224.51) 39.167 ms 39.123 ms 39.975 ms
6 if25.pih-lb03.plus.net (212.159.0.17) 39.728 ms 40.520 ms 39.740 ms
7 if25.pih-lb03.plus.net (212.159.0.17) 40.355 ms 47.435 ms 40.440 ms
The time values in number 1 look a little high to me.
Re: No DNS connectivity
17-01-2011 4:08 PM
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If you can swap in a new router, also give OpenDNS a see if either makes any difference.
Re: No DNS connectivity
17-01-2011 7:54 PM
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How do I change the DNS addresses from a mac.
Alternatively, can I get non-plusnet firmware for the thomson router? (purely to make it more mac friendly)
I want to try everything else before I buy a new router as this would be router number three.
My original netgear router didn't like plusnet, or vice versa.
Re: No DNS connectivity
17-01-2011 8:03 PM
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Quote from: feroluce My original netgear router didn't like plusnet, or vice versa.
Then it's an exception. I have a Netgear router and so do many other who post here. Was it perhaps tied to your previous ISP?
Re: No DNS connectivity
17-01-2011 8:18 PM
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You need to change the DNS settings on your router, not the Mac, and if you go to the OpenDNS site you will see plenty of guidelines about how to do that.
Quote from: feroluce Here's where I'm going to need mac help.
How do I change the DNS addresses from a mac.
Re: No DNS connectivity
18-01-2011 3:10 AM
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The only guides on here on how to alter the routers DNS settings are for windows too.
The only way I can alter the DNS settings on the router with a mac seems to be to activate dynamic DNS in the router toolbox.
It keeps asking me for a hostname, OpenDNS have no answer to this (so far).
They 're telling me that they can't help because it's custom firmware, but they're looking into it.
Even if I do change to dynamic DNS, will it still look to Plusnets DNS servers first?
I've tried a couple of other DNS providers but come up against the same 'hostname' issue.
Re: No DNS connectivity
18-01-2011 3:14 AM
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Quote from: ReedRichards
Then it's an exception. I have a Netgear router and so do many other who post here. Was it perhaps tied to your previous ISP?
I was told it's a known issue with the particular model : Netgear DG834V3
It saw me faithfully through two previous ISPs
My mother is using it now with no problems.
Re: No DNS connectivity
18-01-2011 3:26 PM
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Erm, a router is a router, you change its settings in the same way regardless of what operating system your personal system uses.
Quote from: feroluce Nope, all their guides are for windows.
The only guides on here on how to alter the routers DNS settings are for windows too.
Go back and try again.
There is no such things as Mac/Windows instruction about how to change your routers settings.
Re: No DNS connectivity
18-01-2011 3:34 PM
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I managed to telnet into the router firmware, some of the commands are different (Unix/MSDOS differences) but I found a list of the different commands and translated the guide so I could use it.
I changed the DNS to OpenDNS, still get the two Xs on the connectivity check.
I changed it again to Google Public DNS, still get the two Xs but the internet is proper speed now.
No more 'Page Unresponsive' error on Yahoo.
It's early days, but fingers crossed it's fixed.
Still no idea why it's failing the Connectivity Check.
Re: No DNS connectivity
18-01-2011 4:06 PM
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But I am confused.
1. Once you've telnetted in, the command are the routers commands, nothing to do with Windows or Mac
2. Why didn't you just use a browser?!
Re: No DNS connectivity
18-01-2011 4:10 PM
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Re: No DNS connectivity
19-01-2011 8:33 AM
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