On 2006-09-12, at 14:22, Peter Koch wrote:
My point about avoiding the "."
was more to say "." != "no address" (waiting for someone to point
me to the
existing (bad) precedent).
I've seen many people use "." as part of MX RDATA to indicate that a
host should not receive mail (e.g. "PRINTER.EXAMPLE.COM. 3600 IN MX
0 ."). I seem to remember that meaning is documented informally in
Cricket Liu's book, but I could be wrong about that (I don't have a
copy near the keyboard).
In any case, the MX RDATA meaning is not entirely dissimilar to the
intended interpretation of "." as RNAME data, at least to my eye.
Joe
.
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