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From: erik quanstrom <quanstro@coraid.com>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] dns
Date: Wed,  4 Jul 2007 17:18:09 -0400	[thread overview]
Message-ID: <dd5e7295920fc86a7ebe8df3b47c9e11@coraid.com> (raw)
In-Reply-To: <b4540a6022d269bfc633797836be86b9@plan9.bell-labs.com>

ah, we're out of phase 180 degrees.

the particular problem i happened to catch the other day found
nserver*.apple.com unreachable starting from the root.  i tried with
dig on linux, too.  that didn't work either.  but perhaps trying harder
would make sense.

i noticed that you aren't seeing negative responses to cname queries
from the code. is that something particular to your
environment or is that something we are likely to see, too.?

unfortunately akadns uses cnames in their scheme.  this really stinks.
it seems that the timeout in such a case should depend on the name.
(awful, no?)

i wonder if it might be safe to replace small tts with the expire time in the
soa.  being on the other end of that a decade ago, i remember to maintaining a
server at an old ip address for 2*expiretime to ensure that everybody had
updated.  it was suprising how long the old ip address was cached.

- erik


  reply	other threads:[~2007-07-04 21:18 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-07-03 20:54 erik quanstrom
2007-07-04 20:51 ` geoff
2007-07-04 21:18   ` erik quanstrom [this message]
2007-07-04 21:52     ` geoff
  -- strict thread matches above, loose matches on Subject: below --
2017-04-01  1:28 [9fans] DNS cinap_lenrek
2017-04-01  3:40 ` Skip Tavakkolian
2017-04-01  9:46   ` Alexandru Gheorghe
2017-04-01 17:04     ` Steve Simon
2017-04-03  7:06       ` David Arroyo
2017-03-20  7:26 Skip Tavakkolian
2017-03-21 19:19 ` Skip Tavakkolian
2017-03-30 22:19   ` Steve Simon
2017-03-31  7:43   ` Peter Hull
2012-08-26 14:48 [9fans] dns cinap_lenrek
2012-08-21  1:51 Jeff Sickel
2012-08-21  1:59 ` erik quanstrom
2012-08-21  4:23 ` arisawa
2012-08-21  5:08   ` Jeff Sickel
2012-08-21  8:42     ` Kenji Arisawa
2012-08-21 11:27       ` cinap_lenrek
2012-08-21 12:18         ` Lucio De Re
2012-08-21 12:37         ` arisawa
2012-08-21 18:32         ` erik quanstrom
2012-08-21 20:05           ` Charles Forsyth
     [not found]           ` <CAOw7k5hALBex13jJUbscVt4th-Z9urpmAP0eOBi7b1HuBQESrw@mail.gmail.c>
2012-08-21 20:41             ` erik quanstrom
2012-08-21 22:44           ` cinap_lenrek
2012-08-22 10:32           ` cinap_lenrek
2012-08-22 12:09             ` Kenji Arisawa
2012-08-22 12:35               ` cinap_lenrek
2012-08-22 13:05                 ` erik quanstrom
2012-08-22 13:08                   ` erik quanstrom
2012-08-22 13:11                   ` Charles Forsyth
     [not found]                   ` <CAOw7k5gGhL-=E=V1C9ffQP7qMyUVMhtrgpzLMidnCsHFGDzHwA@mail.gmail.c>
2012-08-22 13:18                     ` erik quanstrom
2012-08-22 13:21                       ` Charles Forsyth
2012-08-22 13:31                       ` cinap_lenrek
2012-08-22 14:22                         ` erik quanstrom
2012-08-22 14:41                           ` Charles Forsyth
2012-08-22 14:47                           ` cinap_lenrek
2012-08-22 15:26                             ` erik quanstrom
2012-08-22 15:33                             ` erik quanstrom
2012-08-22 15:35                               ` erik quanstrom
     [not found]                             ` <CAOw7k5jOE0Bf13fXJ04dUF4vGniRTJ1LwEMV1Oqw=AFKg77boA@mail.gmail.com>
2012-08-22 16:05                               ` Charles Forsyth
2012-08-22 13:23                 ` Lucio De Re
2012-08-25  0:10         ` Kenji Arisawa
2012-08-25 10:54           ` cinap_lenrek
2012-08-25 12:37             ` Kenji Arisawa
2012-08-25 13:22               ` cinap_lenrek
2012-08-25 13:38                 ` cinap_lenrek
2012-08-25 13:41                 ` Charles Forsyth
2012-08-25 13:44                   ` cinap_lenrek
2012-08-27 22:44               ` arisawa
2012-08-28  1:45                 ` cinap_lenrek
2012-08-28  1:57                   ` erik quanstrom
2012-08-28  2:08                     ` cinap_lenrek
2012-08-28  4:03                       ` erik quanstrom
2012-09-08 17:37                         ` Skip Tavakkolian
2012-09-08 18:02                           ` cinap_lenrek
2012-09-08 18:18                           ` cinap_lenrek
2012-09-08 21:53                             ` Skip Tavakkolian
2012-09-08 22:27                               ` cinap_lenrek
2012-09-09  2:09                                 ` Charles Forsyth
2012-09-09  2:37                                   ` cinap_lenrek
2012-09-09  3:01                                     ` Charles Forsyth
     [not found]                                     ` <CAOw7k5jydN7wssxBEqTc6h9FtLErjkoyxyfuQZLgcBTZ-nRgiw@mail.gmail.c>
2012-09-09  4:26                                       ` erik quanstrom
2012-09-09  5:28                                         ` Skip Tavakkolian
2012-08-25 21:56           ` cinap_lenrek
2012-08-26 13:16             ` cinap_lenrek
2012-08-26 13:36               ` Charles Forsyth
2012-08-21  5:08 ` Benjamin Huntsman
2007-08-15 19:26 erik quanstrom
2004-03-20  2:25 David Presotto

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