Re: TTL From Parent or Child Zone?
Matthew Dempsky <[email protected]>
| Newsgroups | gmane.network.djbdns |
|---|---|
| Message-ID | <[email protected]> |
On Sun, Mar 8, 2009 at 4:41 PM, Sabahattin Gucukoglu <[email protected]> wrote: > The data in the parent zone isn't authoritative. If djbdns caches it, > it's wrong, IMHO. It should discard additional data as fast as > possible in favour of genuine data from the authoritative servers. > This really means that as soon as you've learned the address of a name > server in additional data, you use it once and then throw the > additional data away. No, there's no security risk from caching the data, and doing so improves performance and decreases load on the DNS.