[152541] in North American Network Operators' Group
Re: Problems getting to Verisign's whois server on IPv6
daemon@ATHENA.MIT.EDU (Mark Andrews)
Tue May 1 19:26:15 2012
To: Christopher Morrow <morrowc.lists@gmail.com>
From: Mark Andrews <marka@isc.org>
In-reply-to: Your message of "Tue, 01 May 2012 10:55:17 -0400."
<CAL9jLabQg6DqfOiK-pkvo_x_iCATazJgA_3ziwaM5mn01y08cA@mail.gmail.com>
Date: Wed, 02 May 2012 09:25:05 +1000
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
The server doesn't do PMTUD properly. Verisign were informed of this
a while back. How hard is it to let ICMPv6 PTB in so that PMTUD works?
% whois -h 2001:503:3227:1060::74 example.com
Whois Server Version 2.0
Domain names in the .com and .net domains can now be registered
with many different competing registrars. Go to http://www.internic.net
for detailed information.
[stalls here forever]
The message is sent in 3 packet and you see packet 1 and 3, 2 is
lost and despite selective acks it is never seen.
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742 INTERNET: marka@isc.org
