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 Post subject: Re: DNS issues?
PostPosted: Thu Oct 15, 2009 7:51 pm 
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 Post subject: Re: DNS issues?
PostPosted: Thu Oct 15, 2009 7:51 pm 
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Ok, an observation:

From the connection I have that does work, is using two different routes. One works, and one doesn't (luck of the draw). Here is the route that fails:

Code:
15  70.87.253.53 36 bytes to 144.37.1.24  44.739 ms  43.259 ms  43.096 ms
16  70.87.253.26 36 bytes to 144.37.1.24  43.097 ms 70.87.253.10 36 bytes to 144.37.1.24  43.304 ms 70.87.253.26 36 bytes to 144.37.1.24  44.910 ms
17  70.87.253.118 148 bytes to 144.37.1.24  43.598 ms 70.87.253.126 148 bytes to 144.37.1.24  44.619 ms 70.87.253.114 148 bytes to 144.37.1.24  43.645 ms
     MPLS Label=11595 CoS=6 TTL=1 S=0
18  70.87.254.174 36 bytes to 144.37.1.24  47.139 ms 70.87.254.170 36 bytes to 144.37.1.24  44.399 ms 70.87.254.174 36 bytes to 144.37.1.24  53.668 ms


And the one that works:

Code:
15  70.87.253.53 36 bytes to 144.37.1.24  43.656 ms  43.043 ms  43.750 ms
16  70.87.253.14 36 bytes to 144.37.1.24  44.081 ms 70.87.253.30 36 bytes to 144.37.1.24  43.712 ms 70.87.253.14 36 bytes to 144.37.1.24  43.976 ms
17  70.87.253.122 148 bytes to 144.37.1.24  44.455 ms 70.87.253.114 148 bytes to 144.37.1.24  46.604 ms 70.87.253.126 148 bytes to 144.37.1.24  46.832 ms
     MPLS Label=603 CoS=6 TTL=1 S=0
18  70.87.254.170 36 bytes to 144.37.1.24  44.341 ms 70.87.254.174 36 bytes to 144.37.1.24  51.792 ms 70.87.254.170 36 bytes to 144.37.1.24  46.913 ms



Snipped the common stuff. #15 is the last hop common between the two, then the route seems to change occasionally. I'd say there is a screw up with some of The Planet's routing:

Code:
network:Class-Name:network
network:ID:THEPLANET-BLK-13
network:Auth-Area:70.84.0.0/14
network:Network-Name:TPIS-BLK-70-87-254-0
network:IP-Network:70.87.254.0/24
network:IP-Network-Block:70.87.254.0 - 70.87.254.255
network:Organization-Name:The Planet
network:Organization-City:Houston
network:Organization-State:TX
network:Organization-Zip:77002
network:Organization-Country:USA


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 Post subject: Re: DNS issues?
PostPosted: Thu Oct 15, 2009 7:52 pm 
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sladnas wrote:
When you tell your web browser to load DT, it sends a request to DT's server that says "omg hai, plz send me yur webz." The request doesn't travel directly from your computer to the DT server, it bounces off (it is "routed") lots of intermediary computers and/or equipment to get there. The internet is made up of millions of small networks (city streets), but there are major "backbones" (freeways) that just about all traffic eventually will touch.

To get from your house to DT, your computer sends the request to your ISP, who routes it through their city streets to one of the major freeways (ISPs usually access multiple freeways). The request eventually gets off at an offramp and continues on city streets to the destination. What might be happening here, is that some people are connected to a group of city streets and freeways that has a clear path to DT. Others of us (myself included) are hitting some sort of traffic jam somewhere in-between and the data is never arriving. This is actually quite rare because most major freeways know alternate routes, so being re-routed isn't uncommon when a bridge collapses into the river. There have been a few cases where someone (I'll call said person an idiot for better or worse), accidentally screws up the design of their freeway or city street and makes it a roundabout where data that enters can never escape. The black hole of networking. That might not be occurring here, but it is a possibility. Those problems are usually detected very quickly because it usually affects a large number of things. This has been going on for a few days now...

I think you've hit the nail on the head.

Router A sends your request to Router B. B sends it to C. C sends it to D. D sends it to E, but E gets confused and sends it back to B. Then B sends it to C. (haven't we been here already?) And round and round it goes.

In theory, a packet of data could live forever, going round and round in circles in a misconfigured mess like this. But, every data packet has a special field called a Time-to-Live (TTL). It contains a number, usually something fairly high like 256. Every time a router passes this packet on to the next hop, it replaces this number with the next lower number. If a router ever receives a packet with a TTL of zero, it must discard it. That way if you get an endless spiral, the TTL eventually gets reduced to zero and is dropped.

Since the title of this thread is "DNS issues", I'll add a little more to sladnas's explanation. When you tell your browser to go to DT, first off your browser says "WTF is dirttreaders.com? I need an address!" See, all this routing stuff requires a numeric address, sort of like a phone number. So your 'puter sends a request to a "DNS server" to look up the numeric address. DNS is the Domain Name System, which is basically a globally distributed database of names (like "dirttreaders.com" or "google.com") and what their numeric addresses are. Your puter first contacts the local DNS server, which your ISP provides. If it's never heard of dirttreaders, it goes to a higher-authority server to get the info, and so on. Once your local DNS server gets the info back to you, it remembers it for the next person who asks for it. Once your computer gets the numeric address back (it's called an IP address), it uses that to send a request to the actual web site. The request goes to your local ISP's router (sometimes called a gateway), who looks at the IP address and decides where to send it next. Each router along the way does the same thing: look at the address, and decide where to send it next. Eventually/hopefully, it reaches the correct final destination without going into a death spiral.


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 Post subject: Re: DNS issues?
PostPosted: Thu Oct 15, 2009 7:56 pm 
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i wonder if this would work: someone that isn't getting through, contact your isp's tech support.

anyone willing to endure that?


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 Post subject: Re: DNS issues?
PostPosted: Thu Oct 15, 2009 8:19 pm 
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Ld00d wrote:
i wonder if this would work: someone that isn't getting through, contact your isp's tech support.

anyone willing to endure that?

Gawd, no! It's much more fun spewing techno-babble to the masses! :wink:


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 Post subject: Re: DNS issues?
PostPosted: Thu Oct 15, 2009 8:37 pm 
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Not me. Too much hassle dealing with those guys.

Ld00d wrote:
i wonder if this would work: someone that isn't getting through, contact your isp's tech support.

anyone willing to endure that?

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 Post subject: Re: DNS issues?
PostPosted: Thu Oct 15, 2009 8:58 pm 
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sladnas and chuckanado, thanks for your posts. I learned something new! :cheers:


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 Post subject: Re: DNS issues?
PostPosted: Fri Oct 16, 2009 6:58 am 
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Ld00d wrote:
i wonder if this would work: someone that isn't getting through, contact your isp's tech support.

anyone willing to endure that?


Stop being a chode poop7 & get this fixed, as of this morning, still can't log on from my crackberry.

You :chodie:

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 Post subject: Re: DNS issues?
PostPosted: Fri Oct 16, 2009 7:40 am 
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i just got off a chat with att support and they're retarded. they say the browser works different than a computer browser and aahhhhhhhhhh!!!!!! fuck i wanna kill something right about now.


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 Post subject: Re: DNS issues?
PostPosted: Fri Oct 16, 2009 11:25 am 
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[quote=\"Ld00d\"]i wonder if this would work: someone that isn\'t getting through, contact your isp\'s tech support.

anyone willing to endure that?[/quote]
I will take one for the team. BRB

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 Post subject: Re: DNS issues?
PostPosted: Fri Oct 16, 2009 11:56 am 
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[quote=\"24v\"][quote=\\\"Ld00d\\\"]i wonder if this would work: someone that isn\\\'t getting through, contact your isp\\\'s tech support.

anyone willing to endure that?[/quote]
I will take one for the team. BRB[/quote]

Thanks for the spit-chewing gum-and-baling wire solution you provided through MTBR, but I\'m looking forward to being able to log on the good old-fashioned way.

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 Post subject: Re: DNS issues?
PostPosted: Fri Oct 16, 2009 12:27 pm 
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Tech support says whoever the ISP is for the hosting company is blocking AT&T\'s network. I was on the phone with them for an hour, and that is what I got.

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 Post subject: Re: DNS issues?
PostPosted: Fri Oct 16, 2009 12:43 pm 
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I know someone using AT$T that's also frozen out, so good call.

Perhaps if there is a fix on the user side of things it could also be posted on mtbr.com. At least they can reach that for info. Posting here only works if you cell is frozen but you computer not. That is, if it's a user work around.

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 Post subject: Re: DNS issues?
PostPosted: Fri Oct 16, 2009 12:55 pm 
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[quote=\"jSatch\"] Posting here only works if you cell is frozen but you computer not. That is, if it\'s a user work around.[/quote]

Actually, anyone can get on even if they cannot do it like normal. All they have to do is go through a proxy. If someone cannot get on, tell them to go to:

http://www.freeproxyserver.net
or
www.freeproxyserver.ca
They can type dirttreaders.com in the box, and it will bring them here.
Then if they want to logon, follow the quote below.

You can login, just login, click submit, and then when it takes you to the redirect screen click on \"view active topics\" right away. For some reason the proxy doesnt like the redirect screen, so as lng as you don\'t let it sit there, you will be fine.

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Last edited by 24v on Fri Oct 16, 2009 2:00 pm, edited 2 times in total.

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 Post subject: Re: DNS issues?
PostPosted: Fri Oct 16, 2009 12:59 pm 
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Another work around (which is what I am doing at the moment) is to use a website translator. I am using:

http://www.worldlingo.com/en/websites/u ... lator.html

and translating the DT website from Japanese to English.... there is no Japanese on this site and comes out as normal. Just FYI.

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