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

Kostas Zorbadelos kzorba at otenet.gr
Wed Mar 5 13:45:56 UTC 2014

Greetings to all,

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:

Any suggestion, hint, suspicion is highly welcome. Of course it is good
to know if anyone else has faced anything similar.



Kostas Zorbadelos		
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