A question:

the library routine

dns_name_fromtext()

limits a domain name to 255 characters (per RFC1035)

So, running named-checkzone (or named) with a RR with a domainname
longer than 255 gives an "out of space" error. (bind9.3.2)

arpa/nameser.h lists

#define NS_MAXDNAME 1025
#define NS_MAXCNAME 255

and NS_MAXDNAME is used in many places in the bind code to expand
dns names received over the wire.

So, does this mean one can have a domainname in wire format that,
converted to string representation) can be greater than 255?

If so, one could not put that in a zone file, because named complains
about it on start up.

Thank you