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Nebbie
458 posts

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  #1172631 11-Nov-2014 09:41
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plas: Since being swapped to a Genius white a few months back I noticed the same thing happening. Ended up just using 8.8.8.8 and forgot about the problem.


On a slight side note, while 8.8.8.8 works like a charm I highly don't recommend it for normal day to day use, the closest Point of Presence of Google is in Sydney and due to this all your DNS resolution will be for CDN's based in Sydney or further away and may reduce your general internet browsing speeds.

This is also another reason why Orcon will be keen to fix this if it is a wide spread problem.




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ubergeeknz
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  #1172641 11-Nov-2014 09:52
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Can we please keep this thread to new examples of DNS resolving issues?  Athankyou.

 
 
 
 


BlackHand
95 posts

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#1175133 13-Nov-2014 12:44
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Not to jinx it but so far I've not had any DNS look-up issues for a few days now

DrDee
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  #1177009 16-Nov-2014 20:49
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Just now trying to check my gmail.

Click to see full size

Set back to 8.8.8.8 and loaded as expected. 






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ubergeeknz
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  #1177240 17-Nov-2014 10:43
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DrDee: Just now trying to check my gmail.

Click to see full size

Set back to 8.8.8.8 and loaded as expected. 




Thanks for the example.

For future reference, nslookup takes just the domain name, eg mail.google.com - if you pass it the whole URL as you did, it will always fail.  Cheers.

DrDee
267 posts

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  #1177263 17-Nov-2014 11:04
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ubergeeknz:
DrDee: Just now trying to check my gmail.

Click to see full size

Set back to 8.8.8.8 and loaded as expected. 




Thanks for the example.

For future reference, nslookup takes just the domain name, eg mail.google.com - if you pass it the whole URL as you did, it will always fail.  Cheers.


Edit, yes I am a spaz.

Will try again if I have the issue again.




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DrDee
267 posts

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  #1177763 18-Nov-2014 09:28
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Click to see full size

Think I did it right this time.




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- Mitchell and Webb

 

 

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FlameBeard
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  #1177768 18-Nov-2014 09:33
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DrDee: Click to see full size

Think I did it right this time.


if you're still unable to reach the site, can you perform a trace route to the site as well?




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ubergeeknz
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  #1177778 18-Nov-2014 09:47
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DrDee: Click to see full size

Think I did it right this time.


You did, ignore my esteemed colleague ;) but your nslookup is successful which indicates at that time DNS is working.

What time did you try to load the page, and it failed?  And how much later did you run nslookup?

Cheers


DrDee
267 posts

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  #1177786 18-Nov-2014 09:55
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ubergeeknz:
DrDee: Click to see full size

Think I did it right this time.


You did, ignore my esteemed colleague ;) but your nslookup is successful which indicates at that time DNS is working.

What time did you try to load the page, and it failed?  And how much later did you run nslookup?

Cheers



I did it straight away, but I did notice by the time I had saved the file in photoshop the gmail page had loaded, I quite often get the same scenario on the google landing page as well. And the only way to make the page load when it does happen usually is to change DNS. Maybe I will try a ipconfig /renew next time to make sure it is not something else screwy. I did reset my browser with no change.




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- Mitchell and Webb

 

 

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Sounddude
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  #1177798 18-Nov-2014 10:30
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DrDee: Click to see full size

Think I did it right this time.



Looks like you have ipv6 enabled (which is great!).

Can you disable it in your network settings and see if the problem represents itself.



DrDee
267 posts

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  #1177799 18-Nov-2014 10:34
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Sounddude:
DrDee: Click to see full size

Think I did it right this time.



Looks like you have ipv6 enabled (which is great!).

Can you disable it in your network settings and see if the problem represents itself.




Will do.




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- Mitchell and Webb

 

 

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mmmpie
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#1181489 23-Nov-2014 01:15
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I've had a similar issue for months now and a modem restart always works. Web browsing will die but IRC and flash video streams stay up. Tried ipconfig /flushdns with no effect. Tracert attached, I tried a bunch of sites and all with the same issue to the second hop.

Click to see full size

Edit: I should add that waiting will sometimes resolve the issue but I'm not usually patient enough for that!

CYaBro
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  #1181498 23-Nov-2014 08:39
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OT slightly, I had a customer on an orcon connection, on northpower fibre, and they had the exact same intermittent DNS issues.
The customer and myself spent many hours on the phone with orcon about it but they just kept blaming our equipment.
They also had below par speeds for what they were paying for. Their plan was 100/50 but they only ever got about 70/40.
Again orcon just kept saying it wasn't their problem.
I spent many hours trying different configs and replacement equipment with no change in the problems.
As we supplied all the equipment and server I couldn't charge the customer for any of my time so I was out of pocket.

Eventually I managed to convince the customer to switch ISPs, which they did, and problems went away.
No more DNS issues and they get the speeds they are paying for.
No equipment was changed either.
This was almost a year ago now and they've had no issues since changing ISPs.

ubergeeknz
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  #1181587 23-Nov-2014 14:05
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mmmpie: I've had a similar issue for months now and a modem restart always works. Web browsing will die but IRC and flash video streams stay up. Tried ipconfig /flushdns with no effect. Tracert attached, I tried a bunch of sites and all with the same issue to the second hop.

Click to see full size

Edit: I should add that waiting will sometimes resolve the issue but I'm not usually patient enough for that!


It's quite normal for the BNG (your 2nd hop) to not respond to ping requests, or to respond slowly, not sure if that's related.

And you are saying when this happens you can't browse any sites?  It's not affecting just a specific site/sites?




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