about recursion and NS RR
Diego Woitasen
dxw at mrecic.gov.ar
Wed Jan 4 20:28:38 UTC 2006
The escenario is:
i have one master DNS server for mil.ar zone, with the following
entries:
ns1.ara IN A 200.80.200.12
ara IN NS ns1.ara.mil.ar.
IN NS dibas15.diba.org.ar.
and "recursion no" in named.conf.
When i try to do a query with host from other machine i get an error. If
a change to "recursion yes" works.
diegows at proxy-sat:~$ host -v -t ns ara.mil.ar 200.16.98.2
Server: athea.ar
Address: 200.16.98.2
Query about ara.mil.ar for record types NS
Trying ara.mil.ar ...
Query failed, 0 answers, status: no error
Authority information:
ara.mil.ar 14400 IN NS ns1.ara.mil.ar
ara.mil.ar 14400 IN NS dibas15.diba.org.ar
Additional information:
ns1.ara.mil.ar 14400 IN A 200.80.200.12
ara.mil.ar NS record currently not present at athea.ar
diegows at proxy-sat:~$
Why bind provide an error if it have the information requested? The NS
record are in the server. Bind doesn't not considers itself as
authoritive of NS records of delegated domains?
And other question, what is the diferrence between Anwer, Authoritative
and Additional RR in replys?
thanks...
--
Diego Woitasen <dxw at mrecic.gov.ar>
Ministerio de Relaciones Exteriores, Comercio Internacional y Culto
Buenos Aires - Republica Argentina
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