On Tue, 28 Oct 2003, wayne wrote:
In <20031027002630(_dot_)GA22050(_at_)silence(_dot_)syrah(_dot_)us> Izzy
Kindred <ikindred(_at_)cox(_dot_)net> writes:
On Sun, Oct 26, 2003 at 07:08:48PM -0500, Meng Weng Wong wrote:
and what on earth is andrew doing?
andrew.cmu.edu [NRDR
15874_IN_AFSDB_1.VICE28.FS.ANDREW.CMU.EDU. D3YjdsSC/hTFbkNH82CJoA][NRDR
AN-14659_IN_A_128.2.11.44 rXZcPh9x/CxiLHWY/rWjAw][NRDR
13488_IN_MX_10.MX1.ANDREW.CMU.EDU. uu1TdK7txa0nQaS36uCmXQ][NRDR
13489_IN_MX_10.MX2.ANDREW.CMU.EDU. jw9uDzAWatHflzAOet5yCg][NRDR
13490_IN_MX_10.MX3.ANDREW.CMU.EDU. bMwFvSo4Pm557DCFZwl3OA][NRDR
16353_IN_MX_10.MX4.ANDREW.CMU.EDU. Qfck8QwUXZ8z0QMb/5+3FA][NRDR
15871_IN_AFSDB_1.VICE2.FS.ANDREW.CMU.EDU. BgOg5cIO2mkPWfc7QExTbA][NRDR
15872_IN_AFSDB_1.VICE7.FS.ANDREW.CMU.EDU. Nx6eSikMt2HTQ3i7C3PF1A][NRDR
15870_IN_AFSDB_1.VICE11.FS.ANDREW.CMU.EDU. K4w94WK8c7U+haQx2lPI4Q][NRDR
15873_IN_AFSDB_1.VICE12.FS.ANDREW.CMU.EDU. +yC7T4E/kmeKlFXWqdCN3g]
andrew.cmu.edu is giving you a reason to adjust SPF so the
main SPF TXT RR is at _spf.andrew.cmu.edu.
Indeed. Andrew.cmu.edu has over 600 characters of TXT records and
that means that all SPF clients will have to fall back to TCP DNS and
then find that there isn't any SPF records anyway.
I'm at a friends house with ADSL. His ADSL router (supplied by his ISP), is
the DNS server for house network (it uses DHCP to assign IP's and it's self
as the DNS server).
It does *not* support TCP queries, i get:
jasper(_at_)jellycat:~/[0]> dig txt andrew.cmu.edu.
; <<>> DiG 8.3 <<>> txt andrew.cmu.edu.
;; res options: init recurs defnam dnsrch
;; res_nsend: Protocol not supported
Assuming we want end users to be able to use SPF with
So thats another point for a dedicated spf subdomain of some kind, and an
advisory note in the RFC that the total length of the SPF TXT record should
be short enough so that the total size of the reply packet should be small
enough to fit in a DNS over UDP packet.
--
[http://pointless.net/] [0x2ECA0975]
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