In message <m2ipjbmgbq.wl%ra...@psg.com>, Randy Bush writes: > >> dns itself is purely eight bit transparent. =A0one can even have a dot as > >> a non-separator. =A0p.r.c could be a tld. =A0it's strictly length/value. > > That's true, but there is no standard character representation for > > octet values 128 - 255. > > utf-8 is the one used in the ietf community.
I challenge you to find a RFC that say it is UTF-8. > > Only octets in the range from 65 to 90 (uppercase) and 977 to 122 > > (lowercase) have a case equivalent for DNS resolution. > > dns resolution is eight bit clear. It may be 8 bit clear but only 0-127 have defined meaning. 128-255 may be UTF-8 but they could equally be ISO-LATIN-*. > randy -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org