[DNSOP] query regarding DNS Cache in resolver.

2009-07-27 Thread venkatesh.bs
Hi all, I have one query regarding DNS cache maintaince in dns resolver, Whether DNS Cache should be based on per server address or based on FQDN only. 1. Query1: Domain name: google.com DNS IP: DNS_SERVER_1 - result will be stored in DNS Cache Meanwhile,DNS Server IP got changed. 2.

Re: [DNSOP] query regarding DNS Cache in resolver.

2009-07-27 Thread David Blacka
On Jul 27, 2009, at 10:37 AM, Olafur Gudmundsson wrote: At 00:56 27/07/2009, venkatesh.bs wrote: Hi all, I have one query regarding DNS cache maintaince in dns resolver, Whether DNS Cache should be based on per server address or based on FQDN only. DNS caches MUST cache by the holy

Re: [DNSOP] query regarding DNS Cache in resolver.

2009-07-27 Thread venkatesh.bs
Thanks olufur, Is anywhere in RFC they have mentioned about DNS cache can be based on FQDN, QUERY TYPE (we are ignoring the class as it is always INTERNET(IN)). Thanks Regards, venkatesh. Olafur Gudmundsson wrote: At 00:56 27/07/2009, venkatesh.bs wrote: Hi all, I have one query

Re: [DNSOP] query regarding DNS Cache in resolver.

2009-07-27 Thread Andrew Sullivan
On Mon, Jul 27, 2009 at 10:37:47AM -0400, Olafur Gudmundsson wrote: DNSSEC aware caches the cache should remember the setting of the DO bit in the answer. Did you mean the AD bit? In any case, I assume what you're trying to capture is that you need to know whether the cache may possibly have

[DNSOP] how DNS redirect works with empty response

2009-07-27 Thread JINMEI Tatuya / 神明達哉
[resending it after resolving the mismatched sender address...] (apologize if this point was already discussed in the thread. I've read all relevant threads but due to their volume I may miss something). I have one quick question about what the DNS redirect service does/would/should with an