MacBookPro-2:~ jpcw$ dig pycon.fr NS

; <<>> DiG 9.6.0-APPLE-P2 <<>> pycon.fr NS
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 11632
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;pycon.fr.			IN	NS

;; Query time: 43 msec
;; SERVER: 217.119.180.24#53(217.119.180.24)
;; WHEN: Tue Sep 21 09:08:29 2010
;; MSG SIZE  rcvd: 26