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DNS lookup failure on one PN server

alexhulse
Dabbler
Posts: 13
Registered: ‎14-08-2007

DNS lookup failure on one PN server

Looking up www.dansdata.com works fine on both PN DNS IPs (9 and 10), but when looking up dansdata.com it fails on 9 but works on 10. Checked on 8.8.8.8 and works fine for both.
Any ideas?
Alex
23 REPLIES 23
jelv
Seasoned Hero
Posts: 26,785
Thanks: 971
Fixes: 10
Registered: ‎10-04-2007

Re: DNS lookup failure on one PN server

We also need to know which gateway you are on to identify the correct DNS server (there are multiple servers with the same IP).
jelv (a.k.a Spoon Whittler)
   Why I have left Plusnet (warning: long post!)   
Broadband: Andrews & Arnold Home::1 (FTTC 80/20)
Line rental: Pulse 8 Home Line Rental (£14.40/month)
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alexhulse
Dabbler
Posts: 13
Registered: ‎14-08-2007

Re: DNS lookup failure on one PN server

Ah yes, sorry! pcl-bng02
30FTTC06
Pro
Posts: 2,286
Thanks: 108
Fixes: 4
Registered: ‎18-02-2013

Re: DNS lookup failure on one PN server

Just for info, Level 3 seems to be pretty bad in parts.
npr
Pro
Posts: 1,898
Thanks: 119
Fixes: 9
Registered: ‎21-01-2013

Re: DNS lookup failure on one PN server

Plusnets dns is now resolving dansdata.com here.
But it's only in the last half hour the name started being resolved.
Update 1:45pm:
It's proving to be intermittent, sometime the name is resolved sometime not.  Undecided
No problem with non-PN resolvers.
Gateway: pcl-ag02
jelv
Seasoned Hero
Posts: 26,785
Thanks: 971
Fixes: 10
Registered: ‎10-04-2007

Re: DNS lookup failure on one PN server

Failing for me on all 4 DNS IP addresses from a ptn gateway
jelv (a.k.a Spoon Whittler)
   Why I have left Plusnet (warning: long post!)   
Broadband: Andrews & Arnold Home::1 (FTTC 80/20)
Line rental: Pulse 8 Home Line Rental (£14.40/month)
Mobile: iD mobile (£4/month)
30FTTC06
Pro
Posts: 2,286
Thanks: 108
Fixes: 4
Registered: ‎18-02-2013

Re: DNS lookup failure on one PN server

I had no fails when testing around the time of my first post, However, re-testing again now gives me fails across all 4 ip's
pcl-bng02
redhedgehog42
Grafter
Posts: 51
Registered: ‎19-12-2014

Re: DNS lookup failure on one PN server

Is this in anyway related to the thread about web pages stalling on loading?
Chris
Legend
Posts: 17,724
Thanks: 600
Fixes: 169
Registered: ‎05-04-2007

Re: DNS lookup failure on one PN server

@seahog
This is related to 1 specific domain not resolving.
I'm getting fails for our DNS addresses too, but when performing a +trace on dig it gives me a response.
Let me see what else we can suggest...
Former Plusnet Staff member. Posts after 31st Jan 2020 are not on behalf of Plusnet.
Chris
Legend
Posts: 17,724
Thanks: 600
Fixes: 169
Registered: ‎05-04-2007

Re: DNS lookup failure on one PN server

Strangely I've now just got responses from our DNS servers.
@alexhulse We're probably going to need to look into this from a support ticket, if you can open one for us and let me know the ticket ID I'll point it in the right direction.
Former Plusnet Staff member. Posts after 31st Jan 2020 are not on behalf of Plusnet.
alexhulse
Dabbler
Posts: 13
Registered: ‎14-08-2007

Re: DNS lookup failure on one PN server

OK Chris, ticket 98167868 opened, Thanks.
Chris
Legend
Posts: 17,724
Thanks: 600
Fixes: 169
Registered: ‎05-04-2007

Re: DNS lookup failure on one PN server

Got it, thanks. It started working for me for a period and then stopped again. I've told the guys who to get this ticket passed on to, so hopefully they'll get that picked up.
Former Plusnet Staff member. Posts after 31st Jan 2020 are not on behalf of Plusnet.
npr
Pro
Posts: 1,898
Thanks: 119
Fixes: 9
Registered: ‎21-01-2013

Re: DNS lookup failure on one PN server

Any news on this?
Plusnet still can not resolve this name.  Roll_eyes

Quote
; <<>> DiG 9.8.6-P1 <<>> dansdata.com @212.159.6.9
;; global options: +cmd
;; connection timed out; no servers could be reached
npr
Pro
Posts: 1,898
Thanks: 119
Fixes: 9
Registered: ‎21-01-2013

Re: DNS lookup failure on one PN server

Still not being resolved by plusnet.
Still no news from plusnet.
I guess on ones interested then.  Roll_eyes
jelv
Seasoned Hero
Posts: 26,785
Thanks: 971
Fixes: 10
Registered: ‎10-04-2007

Re: DNS lookup failure on one PN server

I suspect that this isn't a Plusnet problem. Trying the lookup on the office DNS server (ISP exponential-e) also fails.
jelv (a.k.a Spoon Whittler)
   Why I have left Plusnet (warning: long post!)   
Broadband: Andrews & Arnold Home::1 (FTTC 80/20)
Line rental: Pulse 8 Home Line Rental (£14.40/month)
Mobile: iD mobile (£4/month)