[DNSOP] Refreshed DNS dbound draft and code
John R Levine <johnl@taugh.com> Sat, 11 April 2020 02:34 UTC
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Date: Fri, 10 Apr 2020 22:34:04 -0400
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From: John R Levine <johnl@taugh.com>
To: IETF DMARC WG <dmarc@ietf.org>, dnsop@ietf.org
Cc: Tim Wicinski <tjw.ietf@gmail.com>
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Subject: [DNSOP] Refreshed DNS dbound draft and code
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I made some twiddles to my dbound-in-dns library and updated the I-D to match. Code: https://github.com/jrlevine/bound I-D: https://datatracker.ietf.org/doc/draft-levine-dbound-dns/ I added some more records to the DNS zone so now I believe that by careful abuse of DNS wildcards, in most cases it will find the closest boundary (aka public suffic) and DMARC orgznizational domain for a domain with one or two DNS queries no matter how far down the tree the name is and how many intermediate boundaries may exist. A zone that describes all the boundaries in the Mozilla PSL uses 16,000 DNS records which doesn't seem excessive. Regards, John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY Please consider the environment before reading this e-mail. https://jl.ly
- [DNSOP] Refreshed DNS dbound draft and code John R Levine