On Tue, Mar 27, 2012 at 11:21 AM, Jon Cox <[email protected]> wrote:
> If a few 100ms delays end up being done > serially it can be a pretty big deal. > Yes. But most OS resolvers are smart enough to cache DNS lookups, if not the record's full TTLs, at least enough to not have to look up the same host multiple times when downloading IMG and SCRIPT SRCes. > Rather than use someone else's server for > recursive resolution, I prefer to just > run tinydns+dnscache locally. > Quis custodiet ipsos custodes? Even with tinydns and dnscache, your upstream DNS might be brain dead? Verizon and Comcast (two large, popular ISPs hereabouts) have gotten into the annoying habit of trying to monetize NXDOMAINs. Thaths -- Homer: Hey, what does this job pay? Carl: Nuthin'. Homer: D'oh! Carl: Unless you're crooked. Homer: Woo-hoo! Sudhakar Chandra Slacker Without Borders
