On Mon, Nov 16, 2015 at 06:37:36PM -0700, Grant Taylor wrote: > In light of the upcoming H-root server changing addresses I wanted > to confirm how BIND uses root hints. > > It's my understanding that BIND has a compiled in version of the > root hints -and- a root hints file that can easily be updated.
You either specify a hints file to use, or use the compiled-in root hints. > This information is used to prime named as it starts up in such as > it takes an IP for one of the root servers and attempts a to query > to update the root hint server name to IP mappings. I believe that > named will cycle through all of the IPs in the root hints file > until it finds a server that it can query and update all of the > root server names / IPs in memory. From and then continues running > with that updated information. > > As such, I think BIND will continue operating with little, if any, > ill effect if people don't update their root hints file > immediately. (Though ideally people should update.) Since the beginning of DNS, there has not been enough change to root hints so as to cause operational problems. > Will someone take a moment and confirm, or correct, my > understanding of how root hints work in BIND? I think this should answer your questions: https://www.isc.org/blogs/h-root-will-change-its-addresses-on-1-december-2015-what-does-this-mean-for-you/ -- http://rob0.nodns4.us/ Offlist GMX mail is seen only if "/dev/rob0" is in the Subject: _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
