lucky@fci:~$ dig NS jasno.jiznak.cz

; <<>> DiG 9.2.4 <<>> NS jasno.jiznak.cz
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 16704
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;jasno.jiznak.cz.               IN      NS

;; AUTHORITY SECTION:
jiznak.cz.              10800   IN      SOA     ns.dns4.cz. hostmaster.active24.cz. 2006071200 10800 1800 604800 86400

;; Query time: 20 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Jul 13 14:54:03 2006
;; MSG SIZE  rcvd: 97