Spark DNS server issue, cannot access some websites

Forums › Spark New Zealand (including Skinny and BigPipe) › Spark DNS server issue, cannot access some websites

MrOriginal1

20 posts

Geek

#171629 25-Apr-2015 18:00

I cannot access some websites due to DNS issues. In particular, I cannot access webmail.stanford.edu

If I try to ping the website I get:
ping: cannot resolve webmail.stanford.edu: Unknown host

The DNS servers in my Huawei HG630b status are: 122.56.237.1 and 210.55.111.1

I have tried reseting the Huawei with no success. I can access the website using Vodafone 4G.

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#1291415 25-Apr-2015 18:10

Likely related to a known issue under active investigation at the moment. In the meantime you could switch to Google DNS (8.8.8.8 / 8.8.4.4) although it is worth checking back regularly and switching back to our DNS when it's all healthy as the response times for a local DNS vs one in Australia is significantly better.

Cheers - N

Please note all comments are from my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.

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MrOriginal1

20 posts

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#1291416 25-Apr-2015 18:11

Talkiet: Likely related to a known issue under active investigation at the moment. In the meantime you could switch to Google DNS (8.8.8.8 / 8.8.4.4) although it is worth checking back regularly and switching back to our DNS when it's all healthy as the response times for a local DNS vs one in Australia is significantly better.

Cheers - N

Thanks, I'll keep trying.

Talkiet

4787 posts

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#1291441 25-Apr-2015 18:45

BTW... I just replicated your issue. I also can't get webmail.stanford.edu (or even stanford.edu) and both work fine from google DNS.

I've logged a fault with the helpdesk myself, but that shouldn't stop anyone else doing the same if they are experiencing issues with other sites.

Cheers _ N

Please note all comments are from my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.

l43a2

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#1291467 25-Apr-2015 19:20

for some reason on spark DNS hotmail.com takes awhile to load while off spark DNS its fast, not sure if its related.

quickymart

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#1291585 26-Apr-2015 06:43

It's slow and fast using the same DNS?

PANiCnz

986 posts

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#1291631 26-Apr-2015 09:59

Definite improvement here on Google DNS.

Talkiet

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#1291688 26-Apr-2015 12:13

I would be very interested in getting other examples of sites that don't work in terms of failed DNS resolution using the Spark BBA DNS servers (210.55.111.1 and 122.56.237.1). Please feel free to post them here.

We have people looking into it at the moment and can see that there is an issue with the stanford address, but that doesn't necessarily look like it would affect other sites. More examples will give our technical people more to look at.

Post away!

Cheers - N

Please note all comments are from my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.

PANiCnz

986 posts

Ultimate Geek

#1291791 26-Apr-2015 17:17

I'm having issues with http://openelec.tv/ and http://forum.kodi.tv/

Talkiet

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#1291797 26-Apr-2015 17:29

PANiCnz: I'm having issues with http://openelec.tv/ and http://forum.kodi.tv/

It appears that the Spark DNS successfully resolves both of those. If you are having issues with them then please report through the normal helpdesk channels. I'm specifically trying to gather more info about a potential DNS server issue here.

[Edit: For what it's worth I am getting terrible performance on those sites as well on Spark, but they are loading. I doubly encourage you to log a fault please..]

Thanks for replying...

C:\Users\Neil>nslookup
Default Server: ns1.xtra.co.nz
Address: 122.56.237.1

> stanford.edu
Server: ns1.xtra.co.nz
Address: 122.56.237.1

DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
*** Request to ns1.xtra.co.nz timed-out
> openelec.tv
Server: ns1.xtra.co.nz
Address: 122.56.237.1

Non-authoritative answer:
Name: openelec.tv
Address: 82.220.2.31

> forum.kodi.tv
Server: ns1.xtra.co.nz
Address: 122.56.237.1

Non-authoritative answer:
Name: forum.kodi.tv
Address: 209.105.237.146

Cheers - N

Please note all comments are from my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.

wasabi2k

2094 posts

Uber Geek

#1291816 26-Apr-2015 18:24

Talkiet:
PANiCnz: I'm having issues with http://openelec.tv/ and http://forum.kodi.tv/

It appears that the Spark DNS successfully resolves both of those. If you are having issues with them then please report through the normal helpdesk channels. I'm specifically trying to gather more info about a potential DNS server issue here.

[Edit: For what it's worth I am getting terrible performance on those sites as well on Spark, but they are loading. I doubly encourage you to log a fault please..]

Thanks for replying...

C:\Users\Neil>nslookup
Default Server: ns1.xtra.co.nz
Address: 122.56.237.1

> stanford.edu
Server: ns1.xtra.co.nz
Address: 122.56.237.1

DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
*** Request to ns1.xtra.co.nz timed-out
> openelec.tv
Server: ns1.xtra.co.nz
Address: 122.56.237.1

Non-authoritative answer:
Name: openelec.tv
Address: 82.220.2.31

> forum.kodi.tv
Server: ns1.xtra.co.nz
Address: 122.56.237.1

Non-authoritative answer:
Name: forum.kodi.tv
Address: 209.105.237.146

Cheers - N

I'm assuming this is the same issue NZNOG were discussing? Their opinion was there was a load balancer in front of the Spark DNS servers and it looked like one of the pool of resolvers had an issue.

So reproducing the issue could be difficult - as everyone's requests are going to the same place, but going to potentially different servers behind a load balancer.

heavyusr

83 posts

Master Geek

#1291828 26-Apr-2015 18:50

I am using Spark DNS and when i visit www.techcrunch.com it loads all the text but the images do not load at all. Anyone else having this issue?

Jase2985

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#1291830 26-Apr-2015 18:51

no issues here

Stu

Hammered
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#1291837 26-Apr-2015 19:17

Son couldn't get to http://gamasutra.com/ whatever that is. It isn't a problem using Google DNS.

People often mistake me for an adult because of my age.

Keep calm, and carry on posting.

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Talkiet

4787 posts

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#1291851 26-Apr-2015 19:57

Stu: Son couldn't get to http://gamasutra.com/ whatever that is. It isn't a problem using Google DNS.

Thanks - I can replicate with this website as well.

If this got logged with the helpdesk by people that can't access it, it would be good.

Cheers - N

Please note all comments are from my own brain and don't necessarily represent the position or opinions of my employer, previous employers, colleagues, friends or pets.

Ragnor

8196 posts

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#1291913 26-Apr-2015 21:00

Now seeing issues on all international connections (not dns).

Can't stay logged in to anything battle.net, skype, steam, mumble/vent overseas.

http://www.geekzone.co.nz/forums.asp?forumid=39&topicid=171656

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