To:
Shane Kerr <shane@ripe.net>
Cc:
Randy Bush <randy@psg.com>, dnsop@cafax.se
From:
marka@isc.org
Date:
Wed, 16 Aug 2000 19:42:53 +1000
In-reply-to:
Your message of "Wed, 16 Aug 2000 09:51:05 +0200." <200008160751.JAA11747@x17.ripe.net>
Sender:
owner-dnsop@cafax.se
Subject:
Re: wrt: draft-ietf-dnsop-inaddr-required-00.txt
> 3. Connecting to some sights takes a bit longer - this is caused by the > server at the other end trying to tell you where you're coming from > (duh), and having to wait for DNS to timeout (e.g. "you are FTP user 13 > of a maximum of 50, connecting from foo.bar.mil") Can we kill this legend. Returning NXDOMAIN takes the same amount of time as returning a PTR record. If there are delays it is not due to the DNS unless there is a bad delegation. A more usual cause is IDENT and firewalls that block / do not generate ICMP responses. Mark -- Mark Andrews, Nominum Inc. 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: Mark.Andrews@nominum.com