How common is lack of DNS server diversity?

Sun Jan 28 04:38:33 UTC 2001

> From: Jay R. Ashworth [mailto:jra at baylink.com]
> Sent: Saturday, January 27, 2001 6:44 PM

> On Sat, Jan 27, 2001 at 10:35:06AM -0800, Roeland Meyer wrote:
> > > > More interestingly, how many root servers allow 
> recursive lookup?
> > > 
> > > a quick looping probe shows that none of them do, nor the 
> gTLD servers
> > > (phew!) although L.ROOT-SERVERS.NET and H.GTLD-SERVERS.NET 
> > > are unreachable
> > > from my view. Preparing an accurate list of all TLD servers 
> > > glued in the
> > > root zone will take a little longer.
> > 
> > I was taking about root servers at ALL levels, not just the root.
> 
> I believe the phrasing Roeland may be looking for is "how many *zone*
> servers (ie: authoritative servers, not customer resolvers) allow
> recursive lookups", no, Roeland?

Well, yes.