ftp.perl.org strangeness

[Mark Andrews]

> 
> On Mar 15, 2004, at 11:55 PM, Dave Hart wrote:
> 
> (Dave, I'm not subscribed to freebsd-stable currently - if the list 
> isn't open for non-subscribers and you find it appropriate can you 
> forward this mail there?)
> 
> > I've run across this issue with a few websites in the last 18 months.
> > It might help to ask if they're using a "load balancer" on
> > ddns5.develooper.com (the nameserver for ddns.develooper.com which is
> > the zone containing ftp.cpan.ddns.develooper.com which is CNAMEd from
> > ftp.perl.org).
> 
> Yes indeed, it is using a "load balancer"[1].  The old code was a 
> several years old quick hack on ancient ancient code.  I re-implemented 
> it this sunday and got rid of the AAAA -> nxdomain bug.
> 
> There's still a nameserver running with the old code.  If the new code 
> doesn't exhibit any problems in the next day or two I'll upgrade the 
> last old one too.
> 
> The new code is running on ns2.geo.bitnames.com if you want to look the 
> responses over.
> 
> 	dig ftp.cpan.ddns.develooper.com @ns2.geo.bitnames.com
> 	dig -t aaaa ftp.cpan.ddns.develooper.com @ns2.geo.bitnames.com
> 
> (thanks to Dave Hart, Mark Andrews and Vivek Khera for making me aware 
> of this thread).

	I suggest that you look at RFC 2308.  You are returning a
	self referral to the AAAA query.  ns2.geo.bitnames.com will
	be marked as lame.

	Most authoritative servers return a TYPE 2 response.
 
>   - ask
> 
> [1] it returns a mirror in your country if available.
> 
> -- 
> http://www.askbjoernhansen.com/
> 
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org