NXDOMAIN: diff between capitalized domain and non-cap. one?

Mathias Koerber mathias at staff.singnet.com.sg
Thu Nov 18 08:27:36 UTC 1999


Just curious. I queries my local caching nameserver
for two )non-existent) domains in the same TLD.
AFAICS I got the same replies (NXDOMAIN), but in one case
the LHS of the returned SOA record was capitalized, in the other not.

I wonder whether there is any significance in this?


netmx:/var/spool/mqueue# dig testdomain6.org any

; <<>> DiG 8.2 <<>> testdomain6.org any 
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 4
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUERY SECTION:
;;      testdomain6.org, type = ANY, class = IN

;; AUTHORITY SECTION:
org.                    2h57m2s IN SOA  A.ROOT-SERVERS.NET. hostmaster.internic.NET. (
                                        1999111701      ; serial
                                        30M             ; refresh
                                        15M             ; retry
                                        1W              ; expiry
                                        1D )            ; minimum


;; Total query time: 13 msec
;; FROM: netmx to SERVER: default -- 165.21.83.88
;; WHEN: Thu Nov 18 16:24:07 1999
;; MSG SIZE  sent: 33  rcvd: 110

netmx:/var/spool/mqueue# dig testdomain7.org any

; <<>> DiG 8.2 <<>> testdomain7.org any 
;; res options: init recurs defnam dnsrch
;; got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 4
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUERY SECTION:
;;      testdomain7.org, type = ANY, class = IN

;; AUTHORITY SECTION:
ORG.                    2h57m IN SOA    A.ROOT-SERVERS.NET. hostmaster.internic.NET. (
                                        1999111701      ; serial
                                        30M             ; refresh
                                        15M             ; retry
                                        1W              ; expiry
                                        1D )            ; minimum


;; Total query time: 6 msec
;; FROM: netmx to SERVER: default -- 165.21.83.88
;; WHEN: Thu Nov 18 16:24:10 1999
;; MSG SIZE  sent: 33  rcvd: 110


Mathias Koerber	  | Tel: +65 / 471 9820    |   mathias at staff.singnet.com.sg
SingNet NOC	  | Fax: +65 / 475 3273    |            mathias at koerber.org
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