Why are only com/net/org slow?

[Mark Andrews]

> it could be IPv6.
> 
> Many nameservers do have both A and AAAA records.
> 
> Once I got rid of the problem when I removed all IPv6 stuff from my
> nameserver, to prevent bind from trying IPv6 first and finally forgetting
> IPv4 if the queried server had both IPv4 and IPv6 addresses.

	Gross overkill.  "named -4" will achieve the same thing.
	I suspect the OP is running Solaris which doesn't report
	network unreachable when there is no route to the destination.

	Named has to timeout rather than try another address immediately.

	Sun is aware of the issue.

	Mark
 
-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org