dig で DNSSEC を調べる

%dig  jprs.jp

; <<>> DiG 9.4.2-P2 <<>> jprs.jp
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 30398
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;jprs.jp.                       IN      A

;; ANSWER SECTION:
jprs.jp.                54806   IN      A       202.11.16.167

% dig +dnssec -t A jprs.jp

; <<>> DiG 9.4.2-P2 <<>> +dnssec -t A jprs.jp
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12613
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 4096
;; QUESTION SECTION:
;jprs.jp.                       IN      A

;; ANSWER SECTION:
jprs.jp.                64896   IN      A       202.11.16.167
jprs.jp.                64896   IN      RRSIG   A 8 2 86400 20110625114741 20110526114741 30789 jprs.jp. c06Vi5teX7AqAGvKfSTxtJkZz5SSxTC8yDy8bfzMD3NDKav5/HT3ofJz rlHMI+jC6iwjlSyt544qGvlcx+BXyN1lEFx2hMJq82Cg/lKnaKkg2+aw sJ2tO9vHTBsUEDbiFaNX/bTjjxPRTayoQ9mpKP5Nf0vxL3UhNq8KcOHc x10=
jprs.jp.                64896   IN      RRSIG   A 8 2 86400 20110625114741 20110526114741 32889 jprs.jp. VamREZ4SeYPk4WtZ/C8uSoIfSOqOHb5V8ZtvlfpXwB1pruDvg7Anf5Ft bhMdfDSQZkUB1C3PsQFThRJpORmV4ks9NT2NjRg3nZv4W25DoTJQUz3h ghyCGOMTq6/KjMtPD8gqUFRdyKc4cbmIJVWHfB2HPI9FQ5qUrs5oQwNR DCc=

;; Query time: 15 msec
;; SERVER: 210.224.163.4#53(210.224.163.4)
;; WHEN: Tue May 31 00:49:55 2011
;; MSG SIZE  rcvd: 386