I prefer a regex and I think that Dave's "_ta-.*" makes most sense. An explanation that it is a regex and that the exact format of the name is found in RFC 8145 is needed.
Mats --- Mats Dufberg DNS Specialist, IIS Mobile: +46 73 065 3899 https://www.iis.se/en/ On 2018-07-25, 21:58, "DNSOP on behalf of John Levine" <dnsop-boun...@ietf.org on behalf of jo...@taugh.com> wrote: In article <9ac469b7-031a-4d8c-53d0-a82abca0d...@dcrocker.net>, Dave Crocker <dcroc...@bbiw.net> wrote: >On 7/25/2018 10:59 AM, Bob Harold wrote: >> Dot "." has special meaning in DNS, so I would prefer: >> >> Â Â _ta-* >> >> Not regex, but a common wildcard usage. > >wfm. I suppose. A plausible actual regex would be _ta(-[0-9a-z]{4}){1,12} which might be a bit dense. That's not quite right because the numbers in the label have to be sorted, but there's no way to say that in a regex other than enumerating them which would be bulky. Whatever you do, please put include some text reminding people that it's a conceptual glob stype wildcard, not a DNS wildcard. R's, John -- Regards, John Levine, jo...@iecc.com, Primary Perpetrator of "The Internet for Dummies", Please consider the environment before reading this e-mail. https://jl.ly _______________________________________________ DNSOP mailing list DNSOP@ietf.org https://www.ietf.org/mailman/listinfo/dnsop
