Re: [Exim] Long lookup time - almost solved now

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著者: Philip Blundell
日付:  
To: Marcin Owsiany
CC: exim-users
題目: Re: [Exim] Long lookup time - almost solved now
In message <20001106155124.C11207@???>, Marcin Owsiany write
s:
>#define AF_INET            2       /* Internet IP Protocol */
>#define AF_INET6        10      /* IP version 6 */

>
>No wonder that nameservers don't feel like replying to that querries.


There's no good reason why an AF_INET6 query should take a long time; a
non-IPv6-aware host will simply have no AAAA record. You are only likely to
run into trouble if the authoritative nameservers are down but the A record
can be fetched from cache.

p.