On Fri, 25 May 2001, Mark Jeftovic wrote:
> I think, it's because in .com/.net/.org (NSI/Verisign registry) they put
> glue records in the roots for each nameserver. If you had multiple
> A recs for a given IP address, when it came time to change it, it would
> require an exhaustive search of all the glue records in the root zone,
> everytime.
ip addresses don't have A records (well, it wouldn't do anything if they
did, i should say); they have PTR records. your explanation is
technically incorrect -- no such exhaustive search would take place.
> Also, it is not necessarily a 1-to-1 rule, you can legally go the other
> way, round-robining a single nameserver record over multiple IP addresses.
no you can't, at least not through opensrs, and i doubt through any other
com/net/org registrar at the moment (until nsi switches to the new rrp).
> Perhaps the .to roots do not do this. Many ccTLD's don't (they just let
> the nameservers resolve via DNS); .CA also does not do this, so you
> might be able to get away with having multiple hostnames on a single
> IP address serving as nameservers (until you try using one as a nameserver
> for a .COM/.NET/.ORG domain)
indeed.
-tcl.
