DNS for CLNS

[Mark_Andrews at isc.org]

> Hi all,
> 
> I am trying to implement DNS for CLNS. I have seen the 1706 rfc and I
> have no problem when I perform the direct resolution, as you can see
> in next lines:
> 
> # dig @gestdns1 em_serv9.sgxxx.yyyyyyyy.es any any
> 
> ; <<>> DiG 8.3 <<>> @gestdns1 em_serv9.sgxxx.yyyyyyyy.es any any
> ; (1 server found)
> ;; res options: init recurs defnam dnsrch
> ;; got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
> ;; QUERY SECTION:
> ;;      em_serv9.sgxxx.yyyyyyyy.es, type = ANY, class = ANY
> 
> ;; ANSWER SECTION:
> em_serv9.sgxxx.yyyyyyyy.es.  1D IN NSAP 
> 0x39.724F.2000.1A00.0000.0003.0826.0030.6E13.75E7.00
> em_serv9.sgxxx.yyyyyyyy.es.  1D IN A  172.16.32.20
> 
> ;; Total query time: 4 msec
> ;; FROM: gestdns1 to SERVER: gestdns1  172.16.1.40
> ;; WHEN: Mon Sep 16 10:32:50 2002
> ;; MSG SIZE  sent: 46  rcvd: 94
> 
> But when I perform a reverse lookup, name server answers me with
> error:
> # dig @gestdns1 -x 39.724F.2000.1A00.0000.0003.0826.0030.6E13.75E7.00
> any any
> 
> ; <<>> DiG 8.3 <<>> @gestdns1 -x any any
> ; (1 server found)
> ;; res options: init recurs defnam dnsrch
> ;; got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 6
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0
> ;; QUERY SECTION:
> ;;      00.75E7.6E13.0030.0826.0003.0000.1A00.2000.724F.39.in-addr.arpa,
> type = ANY, class = ANY
> 
> ;; Total query time: 7 msec
> ;; FROM: gestdns1 to SERVER: gestdns1  172.16.1.40
> ;; WHEN: Mon Sep 16 10:31:07 2002
> ;; MSG SIZE  sent: 81  rcvd: 81

	-x applies to IP addresses not NSAP.

> I think I have a problem with the inverse resolution file. Next lines
> are a fragment of it:
> ;
> ;
> $ORIGIN 3.0.0.0.0.0.0.0.0.0.a.1.0.0.0.2.f.4.2.7.9.3.in-addr.arpa.
> ;
> 0.0.7.E.5.7.3.1.E.6.0.3.0.0.6.2.8.0  IN    PTR 
> em_serv9.sgjds.telefonica.es.
> ;

	The suffix should be NSAP.INT not IN-ADDR.ARPA.
 
> Can anybody help me ?
> 
> Thanks in advance
> 
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org