[question] new bind option "max-recursion-depth"
Barry Margolin
barmar at alum.mit.edu
Wed Dec 17 22:20:09 UTC 2014
In article <mailman.1299.1418839938.26362.bind-users at lists.isc.org>,
Evan Hunt <each at isc.org> wrote:
> On Wed, Dec 17, 2014 at 03:32:30AM -0500, Barry Margolin wrote:
> > Didn't someone post a problem they were having a few days ago because of
> > a chain of Akamai CNAMEs that exceeded the limit?
>
> Recursion depth is about how many layers deep you have to go to
> resolve an NS address. CNAME chains have different limits on them.
But each CNAME is in a different domain, and their nameservers were in
yet other domains. So while resolving the CNAME chain, you also have to
perform several levels of recursion.
Does the max-recursion-depth limit apply to all of these combined, or
does each step in the chain start at zero?
--
Barry Margolin
Arlington, MA
More information about the bind-users
mailing list