Asterisk in RRs?
Kerry Thompson
kerry at security.geek.nz
Thu Jul 10 20:40:46 UTC 2008
Peter Laws said:
> OK, so not *strictly speaking* a BIND question, but y'all are smart
> people.
> Is a * legal in a resource record? I'm thinking not, but I can't find a
> canonical source. I assume it would be in an RFC, but which one? One of
> the oldies from the 1980s?
RFC 952 and RFC 1123 define allowable characters as A-Z, a-z, 0-9, and '-'
only. Most DNS implementations (such as BIND) support a much wider range
but may or may not work with other servers and clients.
Ref http://www.zytrax.com/books/dns/apa/names.html
Kerry
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