Is Plusnet causing this problem?
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Is Plusnet causing this problem?
02-01-2011 11:43 AM
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I like to log in to a site that is associated with my hobby of flying model aircraft. I normally visit this site a few times a day to keep up with the chat, as I get emails when new posts have been made on the pages that I have contributed to. The site in question is www.rcgroups.com ;
The problem is that at times during the day I cannot access it. When I try I get a message, “DNS error occurred. Server cannot be found. The link may be broken”.
As an example… I managed to access it at 0910 this morning. When I tried at 1045, I could not. Maybe later on today I will be able to access it, But it is a hit or miss thing.
I contacted the administrators of the site (When I could access it) and they asked me if I could check if I could access their sister sites that use the same server, when I could not access ‘rcgroups’. Out of the three I was told to try I could only access two. When I tried the third link, I got the same error message as stated.
During the time that I cannot access that site, I can access all other web sites and pages that I normally visit.
I must add that. When I cannot access that site, I plug in my G3 dongle that I normally use with my laptop, into the PC, I can access the site.
When I try to access that site with my laptop via wifi with my Belkin route, I cannot.
This problem only started a few weeks ago and seems to be getting worse. It has been suggested that it could be MY SERVER which is PLUSNET.
Anyone got any ideas or views on this problem.
Re: Is Plusnet causing this problem?
02-01-2011 11:50 AM
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jelv (a.k.a Spoon Whittler) Why I have left Plusnet (warning: long post!) Broadband: Andrews & Arnold Home::1 (FTTC 80/20) Line rental: Pulse 8 Home Line Rental (£14.40/month) Mobile: iD mobile (£4/month) |
Re: Is Plusnet causing this problem?
02-01-2011 11:54 AM
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Re: Is Plusnet causing this problem?
02-01-2011 11:59 AM
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Yes I can visit any other sites on the web.
I have just clicked on the www.rcgroups.com in my post and cannot access.
Re: Is Plusnet causing this problem?
02-01-2011 12:07 PM
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I just tried your link with the same result. Google found a cached copy of the page, but it would only display in text format for me. I tried just typing the address in with the same result. Doesn't help a lot I know, but at least you're not on your own.
John
Re: Is Plusnet causing this problem?
02-01-2011 12:15 PM
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However I tried DownForEveryoneOrJustMe http://www.downforeveryoneorjustme.com/www.rcgroups.com and it says just me.
What that means is that there is a routing problem between Plusnet and www.rcgroups.com, but as to whose fault that is, is hard to say. But raise a ticket with (or better still get on the phone to) Plusnet and ask them to look into why you can access from their network, but that you can from other networks.
Re: Is Plusnet causing this problem?
02-01-2011 12:17 PM
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When I have not been able to access the site and I have been 'Skypeing' with a mate, that lives close. He manages to acccess, but is with another server.
Re: Is Plusnet causing this problem?
02-01-2011 12:20 PM
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Well for me it proves a point that it is 'Plusnet ' that is causing the problem.
Quote from: fourfourdevon Well I can't access the site either, although why you are getting a DNS error I don't know.
However I tried DownForEveryoneOrJustMe http://www.downforeveryoneorjustme.com/www.rcgroups.com and it says just me.
What that means is that there is a routing problem between Plusnet and www.rcgroups.com, but as to whose fault that is, is hard to say. But raise a ticket with (or better still get on the phone to) Plusnet and ask them to look into why you can access from their network, but that you can from other networks.
Re: Is Plusnet causing this problem?
02-01-2011 12:23 PM
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Re: Is Plusnet causing this problem?
02-01-2011 12:35 PM
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So why is it at times all is OK with Plusnet, but others it is not?
What else is there between the link that could be the fault?
Re: Is Plusnet causing this problem?
02-01-2011 1:07 PM
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Re: Is Plusnet causing this problem?
02-01-2011 1:08 PM
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What is between Plusnet and that site? Well almost certainly at least 1 more ISP (the ISP that hosts the website), possibly a wholesale transit carrier like level 3, and each of these (Plusnet included) will have several routers, I would estimate at least 20 points of failure between your ADSL connection and that website, but it could be 100's and some of these points of failure could be failing through no fault of any of the owners/controllers of the equipment. As I say routing is complicated, and if you remember in the news not long ago, the Chinesse managed to redirect a huge proportion of the internet via their own routers, well, just about any ISP could do that, accidently, purposely, one website or many.
Your point of contact to get this solved is Plusnet, but wether Plusnet can solve it, or wether they need to contact someone else only they can determine, but Plusnet could be many steps away (i.e. Plusnet contacts Level 3, Level 3 contacts A.N.Other transit company, A.N.Other contacts LINX and so on until the person responsible is contacted).
Re: Is Plusnet causing this problem?
02-01-2011 3:51 PM
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Re: Is Plusnet causing this problem?
02-01-2011 4:10 PM
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i.e. Open a command prompt, and type: tracert www.rcgroups.com
The site is working for me at the moment, but as an example the traceroute shows:
Quote Tracing route to rcgroups.com [66.228.117.24]
over a maximum of 30 hops:
1 7 ms <1 ms 1 ms 10.0.0.1
2 19 ms 13 ms 12 ms lo0-central2.ptn-ag04.plus.net [195.166.130.23]
3 14 ms 11 ms 17 ms gi2-5-421.ptn-gw01.plus.net [84.92.2.137]
4 11 ms 11 ms 15 ms t2a1-ge2-0-0.uk-lon1.eu.bt.net [166.49.211.45]
5 11 ms 11 ms 11 ms t2c2-ge2-0-0.uk-lon1.eu.bt.net [166.49.135.109]
6 12 ms 12 ms 12 ms t2c1-p4-2.uk-eal.eu.bt.net [166.49.164.137]
7 94 ms 94 ms 94 ms t2c1-p5-0-0.us-ash.eu.bt.net [166.49.164.65]
8 118 ms 118 ms 118 ms po3.bbr02.tl01.atl01.networklayer.com [173.192.18.153]
9 128 ms 128 ms 189 ms po7.bbr02.eq01.dal01.networklayer.com [173.192.18.134]
10 150 ms 158 ms 158 ms po5.dar02.sr01.dal01.networklayer.com [173.192.18.203]
11 140 ms 139 ms 146 ms po2.fcr01.sr01.dal01.networklayer.com [66.228.118.158]
12 128 ms 128 ms 127 ms www.rcgroups.com [66.228.117.24]
Trace complete.
You'll notice that between plusnet & rcgroups, there are many steps involving BT and 'networklayer.com' routers.
As mentioned previously, start with plusnet to see what they advise - although they may be limited in what they can do if a BT/networklayer server is causing the issue.
Jonny.
Re: Is Plusnet causing this problem?
02-01-2011 5:06 PM
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Quote Oops! Google Chrome could not connect to www.rcgroups.com
Try reloading: www.rcgroups.com
Additional suggestions:
Access a cached copy of www.rcgroups.com
Search on Google:
John
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