Can I set TTL served to users in bind?

[Jeff Peng]

于 2012-3-9 16:11, Drunkard Zhang 写道:
> I got some bind servers doing iteration resolution, and return the
> results to users. But I found that some names got too big TTLs, whose
> RRs can not be replaced correctly by new RRs in time. This leads to
> user‘s blame, we have to flush the caches by hand, and restart the
> SOHO router to resolve the "dead site" issue.
>
> So I wonder can bind set a (lower) TTL by force before response to
> users. If I can, which option? I digged ARM, but got nothing.


Many ISP's caching DNS servers do this stuff.
AFAIK there is not such an option for that, but you can do it from 
BIND's source.

HTH.