[dns-operations] Weird thing found in ns1.ascio.com

[Mark Andrews]

> Have I missed something? Any new RFC I should read explaining this?
> Obviously it does not work.

	Depend's on whether you check all the names in the chain or
	not.  What you have in your cache, whether adding a CNAME
	flushes out other entries, etc.

	http://www.minerals2000.es is a legal name in the DNS, its
	just not a legal hostname.

	Mark

; <<>> DiG 9.3.4-P1 <<>> minerals2000.eu
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34922
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 2, ADDITIONAL: 0

;; QUESTION SECTION:
;minerals2000.eu.		IN	A

;; ANSWER SECTION:
minerals2000.eu.	60	IN	CNAME	http://www.minerals2000.es.
http://www.minerals2000.es. 1583 IN	CNAME	minerals2000.es.
minerals2000.es.	1583	IN	A	217.13.80.251
minerals2000.es.	1583	IN	A	217.13.80.252

;; AUTHORITY SECTION:
minerals2000.es.	6982	IN	NS	ns2.dnsxperta.com.
minerals2000.es.	6982	IN	NS	ns1.dnsxperta.com.

;; Query time: 525 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Nov 16 09:51:38 2007
;; MSG SIZE  rcvd: 168

 
> -------------------------
> ; <<>> DiG 9.3.4-P1 <<>> @ns1.ascio.com -t any minerals2000.eu
> ; (1 server found)
> ;; global options:  printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 2092
> ;; flags: qr rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
> 
> ;; QUESTION SECTION:
> ;minerals2000.eu.               IN      ANY
> 
> ;; ANSWER SECTION:
> minerals2000.eu.        60      IN      CNAME   http://www.minerals2000.es.
> 
> ;; Query time: 101 msec
> ;; SERVER: 80.80.19.154#53(80.80.19.154)
> ;; WHEN: Wed Nov 14 11:37:38 2007
> ;; MSG SIZE  rcvd: 73
> -------------------------
> 
> Jordi
> 
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org