all the masters were unreachable.

                        readers when reaching the read quota even
                        if no writers were waiting.
(fixed incorrectly in rwlock.c 1.18, corrected in 1.23)

                        due to a race condition in isc_log_doit().

match the dig output.

we are in multiline mode; this ensures that the output can be re-parsed with
dns_rdata_fromtext

it gets buffered synchronously with logging output sent to stderr

as the server does not implement them (lacking a spec for what they should do)

dns_rdataset_first.

dns_sdb_register as parameters.

and converted Macintosh newlines