Originally Posted by !! hack-back !!
...what i asked : if i also lost data when i reboot machine with bind
Yes, you will lose the data with Bind when you reboot the machine. But you need to be aware that, in most
cases, it will be stale data that you lose, and therefore of little concern to you.
Note also that Bind is a kind of 'Swiss army knife' of an application, with more options and configuration modes than you can shake a stick at and that's fine if you want to take advantage of them, but a pain if you just want to get something up and running that does the job (depending a bit on distro and whether they 'pre-configure' sensibly and have a config tool, etc, etc).
Also, be aware that Bind does not exactly have the most glorious history of bug-free-ness and a minimal requirement is that your security or admin team (!) keeps on top of updates on a very regular basis. And finally, be aware that in the caching scenario there are at the very least some workloads and use cases in which something like Dnsmasq has a lower footprint and is faster, due to the algorithm it uses.