DNS check broking sometimes
Ronan Lucio
ronan at melim.com.br
Mon Dec 17 18:37:38 UTC 2001
Hi Pete,
Could you please try it again?
I executed a traceroute and it returned ok to me, perhaps
the link had get down in that moment.
1 gw.REGISTRO.BR (143.108.23.1) 0.238 ms 0.239 ms 0.207 ms
~ 0.228 ms
2 ni800-1.ansp.br (143.108.0.1) 0.725 ms 0.641 ms 0.647 ms
~ 0.671 ms
3 brasiltelecom.ix.spo.ansp.br (200.136.34.26) 0.665 ms 0.583 ms 0.708
ms ~ 0.652 ms
4 200.199.193.197 (200.199.193.197) 25.562 ms 25.842 ms 25.913 ms
~ 25.772 ms
5 200.199.193.130 (200.199.193.130) 25.551 ms 25.671 ms 25.343 ms
~ 25.522 ms
6 200.215.75.105 (200.215.75.105) 71.954 ms 71.984 ms 71.522 ms
~ 71.820 ms
7 BrT-f0-0-0.fns301.telesc.net.br (200.215.1.2)
72.213 ms 72.478 ms 80.943 ms
~ 75.211 ms
8 200.180.13.30 (200.180.13.30) 87.302 ms 76.646 ms 76.329 ms
~ 80.092 ms
9 BrT-s-0-bcu300-iai300.telesc.net.br (200.215.76.246)
98.198 ms 80.269 ms 77.938 ms
~ 85.468 ms
10 BrT-c-s-1-bcu300.telesc.net.br (200.215.76.254)
86.937 ms 79.191 ms 82.991 ms
~ 83.040 ms
11 barrasul.melim.com.br (200.215.108.199) 87.173 ms 82.994 ms 84.662 ms
~ 84.943 ms
12 zikeli.com.br (200.215.107.234) 222.625 ms 200.037 ms 197.835 ms
~ 206.832 ms
Thank´s
Ronan
>
> * Ronan Lucio <ronan at melim.com.br> said, on [011217 08:20]:
> >
> > Hi All,
> >
> > At this moment I´m having such problem in a client:
> >
> > Look this:
> >
> > $ dig @200.215.111.234 zikeli.com.br
> > ; <<>> DiG 8.3 <<>> @200.215.111.234 zikeli.com.br
> > ; (1 server found)
> > ;; res options: init recurs defnam dnsrch
> > ;; res_nsend to server 200.215.111.234: Operation timed out
> >
> > But, if I execute a host -a, the domain seems to working fine:
> >
> Looks like your upstream provider is having routing issues:
>
> traceroute to 200.215.111.234 (200.215.111.234), 64 hops max, 40 byte
packets
>
> [ snip ]
>
> 21 * BrT-A0-1-1-fns-core.telesc.net.br (200.203.180.250) 324.772 ms
340.802 ms
> 22 BrT-f0-0-0.fns301.telesc.net.br (200.215.1.2) 385.548 ms 363.938 ms
333.629 ms
> 23 200.180.13.30 (200.180.13.30) 338.353 ms 331.498 ms 334.215 ms
> 24 BrT-c-s-1-3-iai300.telesc.net.br (200.215.76.50) 356.880 ms 334.862
ms 370.363 ms
> 25 BrT-s-1-3-iai300.telesc.net.br (200.215.76.49) 331.953 ms 332.322 ms
360.185 ms
> 26 BrT-c-s-1-3-iai300.telesc.net.br (200.215.76.50) 362.106 ms 360.324
ms 378.625 ms
> 27 BrT-s-1-3-iai300.telesc.net.br (200.215.76.49) 340.842 ms 328.256 ms
346.667 ms
> 28 BrT-c-s-1-3-iai300.telesc.net.br (200.215.76.50) 378.552 ms 445.743
ms *
> 29 BrT-s-1-3-iai300.telesc.net.br (200.215.76.49) 345.921 ms 396.747 ms
344.598 ms
>
> My guess is that you have some other name server listed in resolv.conf,
> and this is why your 'host -a' worked.
>
> --Pete
>
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