Sporadic random DNS lookup failures on Orcon UFB

Forums › 2degrees (including Slingshot, Orcon, Flip, Stuff Fibre, MyRepublic, 2talk and Vocus) › Sporadic random DNS lookup failures on Orcon UFB

aros71

122 posts

Master Geek
+1 received by user: 11

#154670 4-Nov-2014 07:59

Some reason I've been experiencing sporadic random DNS lookup failures on Orcon the last few weeks - anyone else hit this?

At one point, I couldn't get to geekzone - got a DNS lookup failure (ERR_UNKNOWN_HOSTNAME) and then after an hour or two it just corrected itself

router and PC rebooted during the outage, no change

Latest today is that around 0754 this morning, suddenly the ability to reach Gmail was lost.

Disconnect from Orcon, switch to Phone tethering and it resolves immediately, switch back to Orcon, it fails.

Anyone else experiencing these ghosts-in-the-machine? So far nothing else I've tried during this outage is failing

Mood:=perplexed

Adam Rosner

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344 posts

Ultimate Geek
+1 received by user: 59

Trusted

#1168164 4-Nov-2014 08:03

When this happens what does an nslookup provide when you lookup a web address? Still unable to resolve?

4th gen i7 Haswell 4770k, G.SKILL RipjawsX 16GB (4x4 Gb) DDR3 2400MHz, x1 GTS 460, Intel 180Gb 530 Series SSD, x1 Seagate 1Tb HDD, x1 Seagate 2Tb HDD, Modular 850w PSU, R.O.G. Maximus VII Formula mobo, Cooler Master Storm Trooper Chassis, Cooler Master V8 CPU cooler

"Five exclamation marks, the sure sign of an insane mind." - Terry Pratchett

No longer work for Orcon

linw

2893 posts

Uber Geek
+1 received by user: 1205

#1168176 4-Nov-2014 08:39

My ufb is dead atm. Location Camborne, Porirua.

timmmay

20857 posts

Uber Geek
+1 received by user: 5349

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Lifetime subscriber

#1168215 4-Nov-2014 09:03

Could you put in Google a third DNS server? 8.8.4.4 from memory. That way you use the ISP dns when available, best for local caches, but have a reliable backup.

FlameBeard

344 posts

Ultimate Geek
+1 received by user: 59

Trusted

#1168218 4-Nov-2014 09:09

linw: My ufb is dead atm. Location Camborne, Porirua.

As in no optical? Or DNS unavailability?

linw

2893 posts

Uber Geek
+1 received by user: 1205

#1168221 4-Nov-2014 09:15

Optical looks normal. Can see traffic blinking.

Modem no Internet or phone LED at all.

FlameBeard

344 posts

Ultimate Geek
+1 received by user: 59

Trusted

#1168224 4-Nov-2014 09:17

Reboot your devices and if still no yield. Log a ticket. Probably your best bet :)

Geekzone

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linw

2893 posts

Uber Geek
+1 received by user: 1205

#1168247 4-Nov-2014 09:21

Several reboots done. Will log a call.

ubergeeknz

3344 posts

Uber Geek
+1 received by user: 1041

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Vocus

#1168256 4-Nov-2014 09:30

Thread jacking aside, we're not aware of any widespread DNS issues at the moment, so this could be isolated

However I would be interested to get into a bit more detail with the OP if possible, so we can just make sure there's not something weird going on.

Please drop me a PM (with your orcon username) and we'll take it offline.

PassiveFever81

367 posts

Ultimate Geek
+1 received by user: 13

#1168381 4-Nov-2014 12:12

I've been having this problem ever since I got the Genius White. Only seems to affect my Windows 8 devices.

Running CMD - Ipconfig /flushdns solves the problem for a while.

Seems to happen randomly, no website in particular.

FlameBeard

344 posts

Ultimate Geek
+1 received by user: 59

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#1169013 5-Nov-2014 08:43

Brandonrnz: I've been having this problem ever since I got the Genius White. Only seems to affect my Windows 8 devices.

Running CMD - Ipconfig /flushdns solves the problem for a while.

Seems to happen randomly, no website in particular.

if someone could post the results of an nslookup when the issue presents itself, that is going to be handy

PassiveFever81

367 posts

Ultimate Geek
+1 received by user: 13

#1169476 5-Nov-2014 18:35

FlameBeard:
Brandonrnz: I've been having this problem ever since I got the Genius White. Only seems to affect my Windows 8 devices.

Running CMD - Ipconfig /flushdns solves the problem for a while.

Seems to happen randomly, no website in particular.

if someone could post the results of an nslookup when the issue presents itself, that is going to be handy

Never done a Nslookup before. I assume to type in the website you're having issues with and post the results? If so, reddit has just started giving me 'The server at www.reddit.com can't be found, because the DNS lookup failed.' in Chrome.

This is what is shows in nslookup...
Default Server: Orcon.Home
Address: 192.168.20.1

> www.reddit.com
Server: Orcon.Home
Address: 192.168.20.1

Non-authoritative answer:
Name: www.reddit.com
Addresses: 198.41.209.139
198.41.209.142
198.41.208.142
198.41.208.139
198.41.208.140
198.41.208.143
198.41.209.141
198.41.209.137
198.41.208.138
198.41.209.143
198.41.208.141
198.41.209.140
198.41.209.138
198.41.209.136
198.41.208.137

Soon as I run the flush dns command it's fine. But i'm having to do this multiple times a day on my Windows 8 devices.

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BlackHand

135 posts

Master Geek
+1 received by user: 19

#1169683 6-Nov-2014 07:39

I've experienced the exact same random issue since switching to the Orcon White modem. Both on IE & Chrome on my Windows 7 and Windows 8.1 devices.

ubergeeknz

3344 posts

Uber Geek
+1 received by user: 1041

Trusted

Vocus

#1169768 6-Nov-2014 09:23

It seems like at least a few people having this problem. Please keep posting examples, I'm working with the responsible team to get it looked into.

plas

456 posts

Ultimate Geek
+1 received by user: 59

#1172593 11-Nov-2014 08:18

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.

kiwikiwi

455 posts

Ultimate Geek
+1 received by user: 57

#1172622 11-Nov-2014 09:12

linw: Optical looks normal. Can see traffic blinking.

Modem no Internet or phone LED at all.

Continue the thread jacking!

I also suffered this issue. But a replug of the ethernet cable to the WAN fixed it. Quite odd for it to go down.

You can also follow me on twitter here @kiwifortw I do twitch streams every now and then at twitch.tv/kiwiforthewin :)

HTTP 404 Sarcasm not found.

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