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Forum Index : Microcontroller and PC projects : "This site can’t be reached"

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lizby
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Joined: 17/05/2016
Location: United States
Posts: 3378
Posted: 06:53pm 29 Jan 2018
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For the past week I have gotten the following message on 2 laptops and a tablet with 3 different browsers when trying to connect through my wifi router:

This site can’t be reached
thebackshed.com took too long to respond.

My phone is able to connect (though navigation is clunky). Furthermore, if I put the phone in "hotspot" mode and connect my laptop to the hotspot, I can get to the site without a problem. No other site presents this problem.

Is this likely to be because my provider has blacklisted thebackshed for some (invalid) reason? Do I first try to get my provider to address this?

Any other ideas?
Edited by lizby 2018-01-31
PicoMite, Armmite F4, SensorKits, MMBasic Hardware, Games, etc. on fruitoftheshed
 
Chopperp

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Joined: 03/01/2018
Location: Australia
Posts: 1097
Posted: 07:25pm 29 Jan 2018
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Hi
I occasionally get this message on my Samsung tablet connected to WiFi but only for a second or two. It then comes good.

Chopperp
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TassyJim

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Joined: 07/08/2011
Location: Australia
Posts: 6283
Posted: 08:21pm 29 Jan 2018
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It is likely to be a routing problem between your ISP and thebackshed.com

Try doing a tracert with your normal connection and your hotspot then contact your ISP.

Jim
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Paul_L
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Joined: 03/03/2016
Location: United States
Posts: 769
Posted: 10:03pm 29 Jan 2018
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@lizby -- From NY I get the following surprisingly good ping response:

h:\BKM>ping thebackshed.com

Pinging thebackshed.com [139.99.157.14] with 32 bytes of data:
Reply from 139.99.157.14: bytes=32 time=221ms TTL=46
Reply from 139.99.157.14: bytes=32 time=230ms TTL=46
Reply from 139.99.157.14: bytes=32 time=219ms TTL=46
Reply from 139.99.157.14: bytes=32 time=219ms TTL=46

Ping statistics for 139.99.157.14:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 219ms, Maximum = 230ms, Average = 222ms


Tracert produces a lot of long hops with timeouts:

h:\BKM>tracert thebackshed.com

Tracing route to thebackshed.com [139.99.157.14]
over a maximum of 30 hops:

1 1 ms 1 ms 1 ms openrg.home [192.168.1.1]
2 26 ms 14 ms 27 ms 10.240.177.17
3 10 ms 10 ms 18 ms 67.59.230.165
4 16 ms 12 ms 16 ms 67.83.233.13
5 15 ms 12 ms 13 ms 64.15.8.168
6 12 ms 16 ms 17 ms 64.15.0.40
7 * * * Request timed out.
8 74 ms 78 ms 73 ms be100-1007.ash-5-a9.va.us [198.27.73.219]
9 75 ms 76 ms 75 ms be100-1367.lax-la1-bb1-a9.ca.us [178.32.135.160]
10 218 ms 223 ms 220 ms vl1069.syd-g2-a72.routers.ovh.net [198.27.73.169]
11 225 ms 220 ms 222 ms po10.syd-d2-a72.routers.ovh.net [103.5.14.229]
12 * * * Request timed out.
13 * * * Request timed out.
14 * * * Request timed out.
15 * * * Request timed out.
16 * * * Request timed out.
17 220 ms 228 ms 219 ms gway1.gatemail.net.au [139.99.157.14]

Trace complete.

Considering the fact that it is 10377.54 miles from here to Melbourne that's pretty good response.

Paul in NY
 
Azure

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Joined: 09/11/2017
Location: Australia
Posts: 446
Posted: 11:59pm 29 Jan 2018
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Have you tried the old reset your internet connection by power cycling your router/wifi.

If your internal network is controlled only from your router then hopefully that is all that needs to be done. If you have a Server or PC (not your router) on your network running any DHCP, Gateway, Firewall, DNS, etc services than it might be time to restart those also.
 
Boppa
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Joined: 08/11/2016
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Posts: 814
Posted: 04:23am 30 Jan 2018
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The other thing I have had success with in the past is using the IP address directly, sometimes the isp dns system can go wonky and cause timeouts as well
 
Gizmo

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Location: Australia
Posts: 5119
Posted: 05:52am 30 Jan 2018
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  Paul_L said  

Pinging thebackshed.com [139.99.157.14] with 32 bytes of data:
Reply from 139.99.157.14: bytes=32 time=221ms TTL=46



That IP belongs to the mail gateway for my DNS provider. It detects its www traffic and sends it to the correct ip of 223.27.28.33, which is the fixed IP for the site.

I dont try to understand DNS, but I know its all working.

The site does have a big slow down 2am local time. Its when the backups happen, as the forum database ( 230 meg ) is copied, the forum basically crashes for a few seconds.

Other slow downs, could be anything, its a cloud server so another service could be busy. Let me know if it becomes consistent or there's a pattern to it.

Glenn
The best time to plant a tree was twenty years ago, the second best time is right now.
JAQ
 
Gizmo

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Location: Australia
Posts: 5119
Posted: 05:56am 30 Jan 2018
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  lizby said   For the past week I have gotten the following message on 2 laptops and a tablet with 3 different browsers when trying to connect through my wifi router:

This site can’t be reached
thebackshed.com took too long to respond.

My phone is able to connect (though navigation is clunky). Furthermore, if I put the phone in "hotspot" mode and connect my laptop to the hotspot, I can get to the site without a problem. No other site presents this problem.

Is this likely to be because my provider has blacklisted thebackshed for some (invalid) reason? Do I first try to get my provider to address this?

Any other ideas?


Next time this happens, try the full address, include the www. ie www.thebackshed.com, and see if that makes a difference. Let me know.
The best time to plant a tree was twenty years ago, the second best time is right now.
JAQ
 
Boppa
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Joined: 08/11/2016
Location: Australia
Posts: 814
Posted: 05:57am 30 Jan 2018
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I am thinking of the dns server at his end ie his isp's one
Many moons ago I had similar issues where DingoBlue (remember them?) had a woeful dns server that often timed out websites that others werent having issues with, and I found it helped when I went directly to the ip

Also handy if you get DOS attacks against DNS servers
of course it only works on websites with a static ip
 
Gizmo

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Posted: 05:57am 30 Jan 2018
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Also the site itself will reject pings, improves security a little bit.
The best time to plant a tree was twenty years ago, the second best time is right now.
JAQ
 
twofingers

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Joined: 02/06/2014
Location: Germany
Posts: 1593
Posted: 04:09pm 30 Jan 2018
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Just a feedback:
I got this a few minutes ago:





I don't know if it means anything ...?


causality ≠ correlation ≠ coincidence
 
Gizmo

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Posted: 10:22pm 30 Jan 2018
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Were you just viewing the doc register? Was it from a link someone had provided in a post?
The best time to plant a tree was twenty years ago, the second best time is right now.
JAQ
 
twofingers

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Joined: 02/06/2014
Location: Germany
Posts: 1593
Posted: 10:57pm 30 Jan 2018
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  Gizmo said   Were you just viewing the doc register? Was it from a link someone had provided in a post?


I don't understand "doc register"?

I tried to open "http://www.thebackshed.com/forum/forum_topics.asp?FID=16&PN=1", AFAIK.

Regards
Michael
causality ≠ correlation ≠ coincidence
 
Gizmo

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Posts: 5119
Posted: 08:59am 31 Jan 2018
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The doc register is here http://www.thebackshed.com/docregister/Browse.asp

I did see an error from one of its pages about the time you reported an error, so thought they may be related.

Ah, that error you did get could have been when the server was backing up. 2am server server time, I think about 5pm in Germany, give or take an hour or two. In the 20 seconds it takes to copy the database, I got 5 error's Its hard to pick a time when traffic is low.

Glenn

The best time to plant a tree was twenty years ago, the second best time is right now.
JAQ
 
twofingers

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Joined: 02/06/2014
Location: Germany
Posts: 1593
Posted: 09:39am 31 Jan 2018
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  Gizmo said   The doc register is here http://www.thebackshed.com/docregister/Browse.asp


Oh, cool! I never saw that! Good zo know.

  Gizmo said  I did see an error from one of its pages about the time you reported an error, so thought they may be related.

Ah, that error you did get could have been when the server was backing up. 2am server server time, I think about 5pm in Germany, give or take an hour or two. In the 20 seconds it takes to copy the database, I got 5 error's Its hard to pick a time when traffic is low.

Glenn

I guess you're right ... hopefully. I thought, it would be good to report this in case others have a similar issue.
Thanks for your attention!
Michael
causality ≠ correlation ≠ coincidence
 
lizby
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Joined: 17/05/2016
Location: United States
Posts: 3378
Posted: 11:16pm 31 Jan 2018
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  TassyJim said   It is likely to be a routing problem between your ISP and thebackshed.com

Try doing a tracert with your normal connection and your hotspot then contact your ISP.

Jim

Well, for what it's worth, this morning (10am U.S. Eastern time) I could not connect with my laptop with either my normal router or through the phone as a wifi hotspot, although the phone itself could get to thebackshed without a problem.

Right now (6:10pm EST), my laptop connects normally.

tracert through the router yesterday times out thus:
[code]
C:>tracert www.thebackshed.com

Tracing route to www.thebackshed.com [223.27.28.33]
over a maximum of 30 hops:

1 3 ms 1 ms 1 ms 192.168.1.1
2 5 ms 2 ms 2 ms 192.168.0.1
3 13 ms 11 ms 11 ms 10.124.64.1
4 11 ms 22 ms 12 ms 72-31-237-55.net.bhntampa.com [72.31.237.55]
5 20 ms 18 ms 15 ms ten0-0-0-9-3.tamp20-car2.bhn.net [72.31.209.20]
6 16 ms 14 ms 14 ms hun0-3-0-7.tamp20-cbr1.bhn.net [72.31.3.140]
7 20 ms 14 ms 15 ms 10.bu-ether15.tamsflde20w-bcr00.tbone.rr.com [66.109.6.96]
8 19 ms 19 ms 21 ms 0.ae0.pr0.mia00.tbone.rr.com [66.109.1.89]
9 17 ms 19 ms 20 ms 10ge9-19.core1.mia1.he.net [209.51.163.81]
10 49 ms 49 ms 49 ms 100ge2-1.core1.hou1.he.net [184.105.222.110]
11 52 ms 49 ms 48 ms 100ge11-2.core1.dal1.he.net [184.105.213.53]
12 90 ms 89 ms 87 ms 100ge2-2.core4.fmt2.he.net [184.105.64.221]
13 95 ms 99 ms 98 ms 100ge10-1.core1.sjc1.he.net [184.105.80.193]
14 92 ms 92 ms 93 ms vocus.gigabitethernet2-13.core1.sjc1.he.net [64.71.184.46]
15 262 ms 263 ms 263 ms bundle-153.cor02.sjc01.ca.vocus.net [49.255.255.24]
16 257 ms 259 ms 256 ms BE-201.cor02.syd04.nsw.VOCUS.net.au [49.255.255.13]
17 268 ms 263 ms 264 ms Hu-0-0-0-1.cor02.mel07.vic.VOCUS.net.au [114.31.192.115]
18 260 ms 261 ms 262 ms bundle-150.bdr02.mel11.vic.vocus.net.au [114.31.196.55]
19 255 ms 255 ms 254 ms ip-54.202.255.49.in-addr.VOCUS.net.au [49.255.202.54]
20 266 ms 273 ms 268 ms 216.14.207.93
21 * * * Request timed out.
22 * * * Request timed out.
23 * * * Request timed out.
24 * * * Request timed out.
25 * * * Request timed out.
26 * * * Request timed out.
27 * * * Request timed out.
28 * * * Request timed out.
29 * * * Request timed out.
30 * * * Request timed out.

Trace complete.
C:>
[/code]
Yesterday it worked with the phone wifi hotspot like this:
[code]
C:>tracert thebackshed.com

Tracing route to thebackshed.com [139.99.157.14]
over a maximum of 30 hops:

1 * * * Request timed out.
2 * * * Request timed out.
3 181 ms * 106 ms 10.166.254.42
4 48 ms 60 ms 51 ms 10.166.254.37
5 88 ms 32 ms 35 ms 10.164.160.109
6 85 ms 40 ms 56 ms 10.164.165.129
7 71 ms 41 ms 37 ms 4.31.180.121
8 * * * Request timed out.
9 67 ms 81 ms 70 ms be100-155.nwk-5-a9.nj.us [198.27.73.29]
10 100 ms 62 ms 89 ms be100-1007.ash-5-a9.va.us [198.27.73.219]
11 204 ms 157 ms 158 ms be100-1367.lax-la1-bb1-a9.ca.us [178.32.135.160]
12 328 ms 314 ms 318 ms vl1069.syd-g2-a72.routers.ovh.net [198.27.73.169]
13 306 ms 278 ms 299 ms po10.syd-d2-a72.routers.ovh.net [103.5.14.229]
14 * * * Request timed out.
15 * * * Request timed out.
16 * * * Request timed out.
17 * * * Request timed out.
18 * * * Request timed out.
19 359 ms 270 ms 279 ms gway1.gatemail.net.au [139.99.157.14]

Trace complete.
[/code]
I'm not sure what this tells me other than that I shouldn't persist in the AM if it times out.

Edited by lizby 2018-02-02
PicoMite, Armmite F4, SensorKits, MMBasic Hardware, Games, etc. on fruitoftheshed
 
Gizmo

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Location: Australia
Posts: 5119
Posted: 11:53pm 31 Jan 2018
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thebackshed.com ( no www. ) points to a gateway, which redirects www traffic to the correct address.

www.thebackshed.com is the correct address, but it wont respond to pings ( security ), thus the tracert time outs.

If thebackshed.com doesnt work, but www.thebackshed.com does, let me know.
The best time to plant a tree was twenty years ago, the second best time is right now.
JAQ
 
TassyJim

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Joined: 07/08/2011
Location: Australia
Posts: 6283
Posted: 04:17am 01 Feb 2018
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I usually use one of the testing sites when I can't get through.

http://downforeveryoneorjustme.com/www.thebackshed.com

There are a few others that give more information.
Having request time out's from the intermediate links is common and nothing to worry about.

Your traces show that your mobile service uses an entirely different path compared to your fixed line. That is also very common and can lead to strange comparisons.

Jim
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lizby
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Joined: 17/05/2016
Location: United States
Posts: 3378
Posted: 05:07pm 01 Feb 2018
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Working today as normal at 12:05pm EST, so maybe just change my practice and check in 3-4 hours later.

(When actually browsing, I always have the "www" included--didn't know about the difference its absence made when using tracert.)

PicoMite, Armmite F4, SensorKits, MMBasic Hardware, Games, etc. on fruitoftheshed
 
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