[dns-operations] Sporadic but noticable SERVFAILs in specific dual stack nodes in an anycast resolving farm

Todd Lyons tlyons at ivenue.com
Wed Mar 5 20:51:01 UTC 2014


On Wed, Mar 5, 2014 at 5:45 AM, Kostas Zorbadelos <kzorba at otenet.gr> wrote:
>
> we face an issue with noticable SERVFAILs in a few of our caching
> resolvers running BIND. We have no clear understanding of the problem
> yet and we just test things. However, it is a problem affecting our
> customer base and since there are a lot of good relevant people on this
> list, I think it is a good idea to share.
>
> The situation is described here:
> https://lists.isc.org/pipermail/bind-users/2014-March/092706.html
>
> Any suggestion, hint, suspicion is highly welcome. Of course it is good
> to know if anyone else has faced anything similar.

Check the settings referenced from this message:

https://lists.dns-oarc.net/pipermail/dns-operations/2014-February/011366.html

...Todd
-- 
The total budget at all receivers for solving senders' problems is $0.
 If you want them to accept your mail and manage it the way you want,
send it the way the spec says to. --John Levine



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