[dns-operations] The possible problems after May 5th

[Matthew Dempsky]

On Thu, Apr 8, 2010 at 4:22 PM, Mark Andrews <marka at isc.org> wrote:
> Apart for djbdns can you name another nameserver that doesn't listen
> for TCP by default?  They may have irewalls in front of them that
> block incoming TCP but they still listen.

I don't think default configuration is as important as production
configuration, and a large number of popular website's production
configurations don't support TCP queries.  Also, it doesn't matter
whether it's a firewall or DNS server configuration.