content-type: text/plain; charset="utf-8" Content-ID: <60288.1495515801.1@rock.dv.isc.org> X-RT-Original-Encoding: ascii Content-Length: 182 In lib/bind9/check.c check that the dns64 reverse zone does not match a explictly configured zone. Log a duplicate zone error if it does. This will fix named-checkconf and named.