In article <mailman.517.1404786934.26362.bind-us...@lists.isc.org>, Mark Andrews <ma...@isc.org> wrote:
> > The adobe servers are just plain broken. > > Request a CNAME -> NXDOMAIN (Should return CNAME record) > Request a TXT -> NXDOMAIN (Should return CNAME record) > Request a NS -> NXDOMAIN (Should return CNAME record) > Add a EDNS option -> NXDOMAIN (Should return CNAME record) > > I suspect load balancer is passing non A/AAAA queries through to a > backing server that doesn't have a fallback CNAME in the zone for > ardownload.wip4.adobe.com resulting in NXDOMAIN being returned. > That said, the load balancer should know that if it returning CNAME > to A and AAAA queries, that it should also return CNAME to all other > query types. This is basic RFC 1034 behaviour. This is pretty common misbehavior for dedicated load balancers. -- Barry Margolin Arlington, MA _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
