[148159] in North American Network Operators' Group
Re: IPv6 resolvers
daemon@ATHENA.MIT.EDU (Mark Kamichoff)
Wed Jan 4 15:47:51 2012
Date: Wed, 4 Jan 2012 15:46:56 -0500
From: Mark Kamichoff <prox@prolixium.com>
To: Seth Mos <seth.mos@dds.nl>
In-Reply-To: <E73A05FA-5C95-481C-8F26-79C6BE81800E@dds.nl>
X-SA-Exim-Mail-From: prox@prolixium.com
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
--lEGEL1/lMxI0MVQ2
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable
On Wed, Jan 04, 2012 at 09:39:39PM +0100, Seth Mos wrote:
> And a similar mistake I see others respond too as well, this is
> another domain with just a IPv4 record. That was not really what I was
> complaining about but I was not specific enough in my email
>=20
> When requesting the DNS for the hostname with a Quad A the story is
> entirely different!
>=20
> Try www.pfsense.com or www.didi.nl
Still not seeing additional latency from here:
(neodymium:15:44)% dig @2001:470:20::2 www.didi.nl. AAAA =20
; <<>> DiG 9.7.3 <<>> @2001:470:20::2 www.didi.nl. AAAA
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33979
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;www.didi.nl. IN AAAA
;; ANSWER SECTION:
www.didi.nl. 3520 IN AAAA 2001:888:2087:33::132
;; Query time: 20 msec
;; SERVER: 2001:470:20::2#53(2001:470:20::2)
;; WHEN: Wed Jan 4 15:44:06 2012
;; MSG SIZE rcvd: 57
And if that is already cached, let's try something that should require a
fresh lookup:
(neodymium:15:44)% dig @2001:470:20::2 tengigabitethernet.com. AAAA
; <<>> DiG 9.7.3 <<>> @2001:470:20::2 tengigabitethernet.com. AAAA
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 41662
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;tengigabitethernet.com. IN AAAA
;; ANSWER SECTION:
tengigabitethernet.com. 3600 IN AAAA 2001:48c8:1:104::e
;; Query time: 84 msec
;; SERVER: 2001:470:20::2#53(2001:470:20::2)
;; WHEN: Wed Jan 4 15:44:41 2012
;; MSG SIZE rcvd: 68
Again, not too bad..=20
- Mark
--=20
Mark Kamichoff
prox@prolixium.com
http://www.prolixium.com/
--lEGEL1/lMxI0MVQ2
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: Digital signature
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)
iEYEARECAAYFAk8EusAACgkQ0TYC9KtF8BPkSACgjdDBM451tCRM3sR4gjW9jCW2
XtsAnR7IQGzyqMAc7dv0x5PicNRZs3g9
=LUkq
-----END PGP SIGNATURE-----
--lEGEL1/lMxI0MVQ2--
