- BTBroadband DNS? problems
- Posted by Rory on March 10th, 2006
I can't connect to one particular website, which I need to, for work
reasons. Everything else appears OK.
Tried another computer, connected to same router - same result.
Plugged in directly using the ADSL modem - same result.
Connected via InfraRed to my mobile phone to Vodafone - site works
fine.
Therefore I assume some kind of BT network issue - can anyone advise?
- Posted by Phil Chung on March 10th, 2006
"Rory" <Rory_Fire@hotmail.com> wrote in news:1142006306.274313.207240
@p10g2000cwp.googlegroups.com:
Which web site?
--
Phil
http://www.philipchung.co.uk/
- Posted by Rory on March 10th, 2006
www.flextronics.com but I know it works in ways other than through my
home BTBroadband connection.
- Posted by Rory on March 10th, 2006
Discovered I can't ping Flextronics IP address 205.173.129.11 -
everything else seems fine?
I'm at the limit of my knowledge (it wasn't a long journey!) and would
be glad of some ideas.
- Posted by Oops! on March 10th, 2006
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Works fine here in Hove. I'm on BT Yahoo! Broadband via original green frog
and use the 2.2Mbps service. HTH slightly?
Regards
Oops!
- Posted by poster on March 10th, 2006
On 10 Mar 2006, "Rory" <Rory_Fire@hotmail.com> wrote:
Sometimes a server is configured not to respond to pings, so by
itself that's not necessarily a problem. I tried pinging it, and
get no reply, however, I did get the website to load OK here.
Here's a traceroute using the (Free) software from www.pingplotter.com
Target Name: www.flextronics.com
IP: 205.173.129.11
Date/Time: 2006-03-10 16:58:10
1 1 ms [10.0.0.100]
2 20 ms lo0-plusnet.ptn-ag1.plus.net [195.166.128.123]
3 20 ms ge0-0-0-103.ptn-gw2.plus.net [84.92.3.18]
4 20 ms t2a1-ge5-2.uk-lon1.eu.bt.net [166.49.211.9]
5 18 ms t2c2-ge5-2.uk-lon1.eu.bt.net [166.49.135.109]
6 20 ms t2c1-p9-0.uk-eal.eu.bt.net [166.49.208.209]
7 97 ms t2c1-p4-0.us-ash.eu.bt.net [166.49.164.110]
8 100 ms [12.118.44.37]
9 164 ms [12.123.8.50]
10 175 ms tbr1-cl4.sl9mo.ip.att.net [12.122.10.30]
11 157 ms tbr2-cl2.sffca.ip.att.net [12.122.10.42]
12 172 ms gbr2-p40.sffca.ip.att.net [12.122.11.86]
13 158 ms [12.123.213.69]
14 161 ms router.ragingwire.com [12.126.195.42]
15 171 ms edge02-e2-1.ge.core01-e1-2.smf.ragingwire.net [65.160.224.14]
16 172 ms core01-e2-3.fe.flextronics01.smf.ragingwire.net [65.160.228.2]
17 * [-]
You can get something similar from the MS-DOS command window using
tracert <host> or tracert <IP>
PingPlotter is quite handy, because you can get it to automatically do
tracing every few minutes, for example, and it does a graph showing the
times for each hop on the route. In the past I've known some hosts not
to be available for users of one ISP. It's possible a router somewhere
is not sending the packets back down the correct connection, but it may
be on ome network overseas and not your ISP's fault (but bringing it
to their attention may get it fixed). Good luck!
--
UK ADSL <http://tinyurl.com/5jpa4> - Happy to save cash with Plus.Net!!
- Posted by Rory on March 10th, 2006
So this is what I get - it ends 'Destination Address Unreachable' (I
know that, just don't know why!).
Target Name: www.flextronics.com
IP: 205.173.129.11
Date/Time: 10/03/2006 17:47:53
1 0 ms . [192.168.2.1]
2 11 ms [217.47.204.186]
3 9 ms [217.47.204.161]
4 9 ms [217.41.173.9]
5 9 ms [217.41.173.66]
6 22 ms [217.41.173.78]
7 9 ms [217.41.173.54]
8 10 ms [217.41.165.49]
9 10 ms londonc-access3-s17.ukcore.bt.net [194.72.2.145]
10 13 ms core1-pos3-1.bletchley.ukcore.bt.net [62.6.204.110]
11 15 ms core1-pos1-4.ealing.ukcore.bt.net [195.99.120.209]
12 14 ms transit1-pos6-0.ealing.ukcore.bt.net [194.72.17.194]
13 13 ms t2c2-p1-0.uk-eal.eu.bt.net [166.49.168.37]
14 87 ms t2c2-p4-0.us-ash.eu.bt.net [166.49.164.62]
15 89 ms sl-st22-ash-8-2-2.sprintlink.net [144.223.246.85]
16 92 ms sl-bb24-rly-8-0.sprintlink.net [144.232.20.154]
17 91 ms sl-bb25-rly-10-0.sprintlink.net [144.232.14.150]
18 165 ms sl-bb23-sj-9-0.sprintlink.net [144.232.20.11]
19 181 ms sl-bb22-stk-13-0.sprintlink.net [144.232.20.112]
20 173 ms sl-dr20-ran-15-0.sprintlink.net [144.232.19.82]
21 173 ms sl-isplk-ragwir-4-0.sprintlink.net [144.223.252.34]
22 177 ms edge01-e2-1.ge.core02-e1-2.smf.ragingwire.net
[65.160.224.18]
23 173 ms core02-e2-3.fe.flextronics02.smf.ragingwire.net
[65.160.228.6]
24 * [-]
Destination not reached in 35 hops
- Posted by Nicola Redwood on March 10th, 2006
"Rory" <Rory_Fire@hotmail.com> wrote in message
news:1142009632.972554.98890@i40g2000cwc.googlegro ups.com...
I'm on BT Broadband 2Mb using a btbroadband.com DSL login and I can't get to
it either
Speeds have been terrible for me for months i.e. sub 1Mb
According to my router error log, a Zyxel Prestige P650-E1 there is no DNS
server available at various times throughout the day
55 Fri Mar 10 12:00:02 2006 PP17 INFO No DNS server available
No more info other than that
Just got this trace using WinMTR
|------------------------------------------------------------------------------------------|
| WinMTR statistics
|
| Host - % | Sent | Recv | Best | Avrg
| Wrst | Last |
|------------------------------------------------|------|------|------|------|------|------|
| 192.168.1.1 - 0 | 162 | 162 | 0 | 0
| 16 | 0 |
| esr13.faraday3.broadband.bt.net - 100 | 162 | 1 | 15 | 15
| 15 | 15 |
| 217.47.166.13 - 0 | 162 | 162 | 15 | 17
| 110 | 16 |
| 217.41.177.17 - 0 | 162 | 162 | 15 | 24
| 109 | 15 |
| 217.41.177.66 - 1 | 162 | 161 | 15 | 23
| 94 | 94 |
| 217.41.177.126 - 0 | 162 | 162 | 0 | 23
| 94 | 62 |
| 217.41.177.54 - 0 | 162 | 162 | 15 | 24
| 109 | 63 |
| 217.47.166.90 - 0 | 162 | 162 | 15 | 25
| 141 | 47 |
| core2-pos5-2.faraday.ukcore.bt.net - 0 | 162 | 162 | 0 | 28
| 140 | 62 |
| core2-pos14-1.ealing.ukcore.bt.net - 4 | 162 | 156 | 0 | 29
| 125 | 63 |
| transit2-pos4-0.ealing.ukcore.bt.net - 4 | 162 | 157 | 0 | 29
| 219 | 47 |
| t2c2-p1-0.uk-eal.eu.bt.net - 1 | 162 | 161 | 0 | 30
| 94 | 62 |
| t2c2-p4-1.us-ash.eu.bt.net - 0 | 162 | 162 | 78 | 116
| 218 | 141 |
| sl-st22-ash-8-2-2.sprintlink.net - 76 | 162 | 39 | 78 | 474
| 9938 | 172 |
| sl-bb24-rly-13-0.sprintlink.net - 20 | 162 | 130 | 0 | 65
| 188 | 47 |
| sl-bb25-rly-10-0.sprintlink.net - 15 | 162 | 138 | 0 | 326
| 8203 | 4110 |
| sl-bb23-sj-9-0.sprintlink.net - 16 | 162 | 137 | 0 | 357
| 7390 | 63 |
| sl-dr20-ran-15-0.sprintlink.net - 10 | 162 | 147 | 0 | 387
| 14969 | 171 |
| sl-bb22-stk-13-0.sprintlink.net - 48 | 162 | 85 | 0 | 469
| 7375 | 78 |
| sl-isplk-ragwir-4-0.sprintlink.net - 36 | 162 | 104 | 0 | 108
| 3469 | 15 |
| sl-dr20-ran-15-0.sprintlink.net - 12 | 162 | 143 | 0 | 211
| 7219 | 78 |
|edge01-e2-1.ge.core02-e1-2.smf.ragingwire.net - 7 | 162 | 151 | 0 |
466 | 7203 | 109 |
|core02-e2-3.fe.flextronics02.smf.ragingwire.net - 8 | 162 | 150 | 0
| 785 | 26985 | 26985 |
| esr13.faraday3.broadband.bt.net - 9 | 162 | 149 | 0 | 787
| 74938 | 94 |
| esr13.faraday3.broadband.bt.net - 13 | 162 | 141 | 0 | 1717
| 6547 | 2094 |
| sl-bb25-rly-10-0.sprintlink.net - 57 | 162 | 71 | 0 | 3689
| 98344 | 3610 |
| esr13.faraday3.broadband.bt.net - 84 | 162 | 27 | 969 | 4811
| 80407 | 1844 |
| 217.47.166.144 - 97 | 161 | 6 | 1000 |
24565 | 80313 | 60719 |
| core2-pos14-1.ealing.ukcore.bt.net - 99 | 161 | 2 | 1047 | 1336
| 1625 | 1047 |
| sl-bb22-stk-13-0.sprintlink.net - 99 | 161 | 2 | 2219 |
13031 | 23843 | 23843 |
| No response from host - 100 | 161 | 0 | 0 | 0
| 0 | 0 |
| No response from host - 100 | 161 | 0 | 0 | 0
| 0 | 0 |
| 217.47.166.144 - 100 | 161 | 1 | 1312 | 1312
| 1312 | 1312 |
| No response from host - 100 | 161 | 0 | 0 | 0
| 0 | 0 |
| 217.47.166.144 - 100 | 160 | 1 | 516 | 516
| 516 | 516 |
| No response from host - 100 | 160 | 0 | 0 | 0
| 0 | 0 |
| 217.47.166.144 - 99 | 160 | 2 | 468 | 710
| 953 | 953 |
| No response from host - 100 | 159 | 0 | 0 | 0
| 0 | 0 |
| 217.47.166.144 - 100 | 159 | 1 | 672 | 672
| 672 | 672 |
| No response from host - 100 | 155 | 0 | 0 | 0
| 0 | 0 |
| No response from host - 100 | 154 | 0 | 0 | 0
| 0 | 0 |
| No response from host - 100 | 144 | 0 | 0 | 0
| 0 | 0 |
| 217.47.166.144 - 99 | 141 | 2 | 250 | 351
| 453 | 453 |
| No response from host - 100 | 123 | 0 | 0 | 0
| 0 | 0 |
|________________________________________________| ______|______|______|______|______|______|
WinMTR - 0.8. Copyleft @2000-2002 Vasile Laurentiu Stanimir (
stanimir@cr.nivis.com )
- Posted by Sucuba Dude on March 10th, 2006
"Rory" <Rory_Fire@hotmail.com> wrote in message
news:1142013069.934054.88820@u72g2000cwu.googlegro ups.com...
: So this is what I get - it ends 'Destination Address Unreachable' (I
: know that, just don't know why!).
:
I'm on BTBroadband and I can see it just fine.
- Posted by Rory on March 10th, 2006
Thanks for that - I saw the thread you contributed to on Jan 22nd,
which made me think this might be the issue.
- Posted by reader on March 10th, 2006
On 10 Mar 2006 17:56, "Nicola Redwood" wrote:
You could try putting these as DNS entries on your PC
212.23.8.1 195.112.4.4 151.164.1.8
(seen in another group a few days ago)
*** Free account sponsored by SecureIX.com ***
*** Encrypt your Internet usage with a free VPN account from http://www.SecureIX.com ***
- Posted by Nicola Redwood on March 10th, 2006
"Rory" <Rory_Fire@hotmail.com> wrote in message
news:1142013916.685710.121420@e56g2000cwe.googlegr oups.com...
Just checked what DNS the router has assigned
Active DNS: 62.6.40.162
Primary DNS: 0.0.0.0
Secondary DNS: 0.0.0.0
Looks like there has been a DNS problem
Going for a reboot of the router now
- Posted by Jim Crowther on March 10th, 2006
On Fri, 10 Mar 2006 17:56:53, Nicola Redwood wrote:
Having had ISP DNS problems in the past (not with current ISP) I used
Treewalk, your very own DNS server that just works out of the box, and
the Right Price.
http://treewalkdns.com
--
Jim Crowther. "Life is not a journey to the grave with the intention of
arriving safely in a well preserved body, but rather to skid in broadside,
thoroughly used up , totally worn out and loudly proclaiming;
WOW!!! What a ride." "It's MY computer!" (tm SMG)
- Posted by Nicola Redwood on March 10th, 2006
"Jim Crowther" <Don't_bother@blackhole.do-not-spam.me.uk> wrote in message
news:0yX2hDG7fcEEFwv7@nospam.at.my.choice.of.UID.i nvalid...
I was using Treewalk, but had to uninstall it in order to get any support
from BTBB regarding speed problems. Couldn't possibly be problems with BT's
network!
Think it's time to install it again, as I did find that it did a very good
job
- Posted by Rory on March 10th, 2006
I'm not sure it is a DNS problem - inputting the IP address still
doesn't work.
Traceroute stops at the final hurdle so that's presumeably just the
pings being rejected.
I'm a bit stuck really, but it's with BTOpenworld (by email) to look at.
- Posted by Ash on March 10th, 2006
In article Nicola Redwood says...
As it seems a DNS problem then you could think about running a private
caching DNS server to bypass your ISP's dodgy DNS.
Shameless plug ;-) TreeWalkDNS free for non-comercial use.
http://www.treewalkdns.com
--
Ashlyn
TreeWalk DNS http://www.treewalkdns.com
Forums http://forums.treewalkdns.com
News news://news.treewalkdns.com
- Posted by Nicola Redwood on March 10th, 2006
"Rory" <Rory_Fire@hotmail.com> wrote in message
news:1142017045.293562.316700@p10g2000cwp.googlegr oups.com...
I think it's more of a routing issue than DNS, but I did have a DNS problem
- Posted by Ken Wheatley on March 14th, 2006
"Rory" <Rory_Fire@hotmail.com> wrote in message
news:1142006306.274313.207240@p10g2000cwp.googlegr oups.com...
I'm on BT broadband at home, and recently couldn't connect to my bank's
website. The bank swore blind that they were experiencing no problems, so I
tried from my mobile over GPRS. Site was up.
I called BT, who tried to make me revert to my USB modem. Eventually they
saw sense, make me ping the site, but said that the problem was unlikely to
be their fault. However, they said I should expect a call back from 'an
internet expert'.
I got no call, but after about 20 minutes the fault was magically corrected.
Your problem sounds rather similar.
- Posted by Nicola Redwood on March 14th, 2006
"Ken Wheatley" <kenneth.wheatley@gb.unisys.com> wrote in message
news:dv687m$1cqr$1@si05.rsvl.unisys.com...
There appear to be some problems getting to some sites when users are
assigned IP addresses in the range 81.153 and 81.154 for BT Yahoo! / BT
Broadband users
e.g. http://www.flextronics.com
Others with 86.xxx.xxx.xxx addresses appear to be able to get to the site OK