As has recently been pointed out on the namedroppers list, the dual track RR and TXT approach does not work. It leads to ambiguities when the records do not match - which they will inevitably dur to the DNS protocol.
> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of Julian Mehnle > Sent: Friday, August 26, 2005 5:21 PM > To: ietf@ietf.org; MARID > Subject: Re: Appeal: Publication of > draft-lyon-senderid-core-01 in conflictwith referenced > draft-schlitt-spf-classic-02 > > > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hallam-Baker, Phillip wrote: > > Which would at the same time provide an opportunity to > address the one > > part of SPF/Sender-ID that does give me significant concern, the > > exclusive appropriation of the TXT record. > > > > A prefixed record would be much less likely to collide with other > > records. > > > > A proposal has been made to cut an new RR but as the group > discovered > > 50% of the legacy infrastructure does not support new RRs despite > > claims to the contrary. Support in this case has to be production > > quality, not the ability to coax particular bits out of a server in > > certain limited circumstances that no network admi is ever going to > > accept on a production server. > > What about the new SPF RR type (99) recently assigned by IANA? > > $ named -v > BIND 9.3.1 > $ grep TYPE99 /etc/bind/zones/net.mehnle > @ IN TYPE99 \# 15 0e763d73706631206d78202d616c6c > > $ dig -v > DiG 9.3.1 > $ dig mehnle.net TYPE99 +sho > \# 15 0E763D73706631206D78202D616C6C > > $ host -V > host version 991529 > $ host -t 99 mehnle.net > mehnle.net 99 # ( ; unknown type > 0E 76 3D 73 70 66 31 20 6D 78 20 2D 61 6C 6C ; > .v=spf1 mx -all > ) > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.1 (GNU/Linux) > > iD8DBQFDD4ewwL7PKlBZWjsRAsJ1AJ9mS+vB3+zp5MVWTB5x5Q6N4oZK1gCgvn+e > hOvx+pNMHSIPVU1Q9HnvzOg= > =+/dM > -----END PGP SIGNATURE----- > > _______________________________________________ > Ietf mailing list > Ietf@ietf.org > https://www1.ietf.org/mailman/listinfo/ietf > > _______________________________________________ Ietf mailing list Ietf@ietf.org https://www1.ietf.org/mailman/listinfo/ietf
