> On 14 Nov 2018, at 4:04 am, Frank Liu <gfrank...@gmail.com> wrote: > > Hi, > > Is there a RFC determining which nameserver to use if there is a conflicting > subdomain delegation? > > eg: > In the zone of a.com, there are two NS delegations
This one is used. > b.a.com NS host1 This one is ignored as it is occluded data. > c.b.a.com NS host2 > > On host1 in zone b.a.com, there is > c.b.a.com NS host3 Which is occluded data or glue depending upon the rest of the contents of the zone. > As you can see, there is a conflicting delegation for c.b.a.com. If I look a > name d.c.b.a.com, will the nameserver host2 or host3 be used? > dig +trace seems to go to host2, but bind9 as a resolver goes to host3. > (the test was done on a centos7). dig +trace follows the returned delegations. > Any ideas? > Thanks! > _______________________________________________ > 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 -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org _______________________________________________ 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
