ルートゾーンKSK/日本では/dns-oarc.net/段階的検査について、ここに記述してください。

Contents

  1. 1
  2. 2
  3. 3

/手元での結果

1. 1

$ dig txt rs.dns-oarc.net @a.gtld-servers.net

; <<>> DiG 9.11.1-P3 <<>> txt rs.dns-oarc.net @a.gtld-servers.net
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50640
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 7
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;rs.dns-oarc.net.               IN      TXT

;; AUTHORITY SECTION:
dns-oarc.net.           172800  IN      NS      sns-pb.isc.org.
dns-oarc.net.           172800  IN      NS      ns.dns-oarc.net.
dns-oarc.net.           172800  IN      NS      ns2.dns-oarc.net.
dns-oarc.net.           172800  IN      NS      ns3.dns-oarc.net.

;; ADDITIONAL SECTION:
ns.dns-oarc.net.        172800  IN      AAAA    2620:ff:c000:0:1::65
ns.dns-oarc.net.        172800  IN      A       64.191.0.65
ns2.dns-oarc.net.       172800  IN      A       192.211.126.36
ns2.dns-oarc.net.       172800  IN      AAAA    2604:1f80:5eb::3
ns3.dns-oarc.net.       172800  IN      AAAA    2a01:3f0:0:57::243
ns3.dns-oarc.net.       172800  IN      A       77.72.225.243

;; Query time: 7 msec
;; SERVER: 192.5.6.30#53(192.5.6.30)
;; WHEN: Thu Aug 24 00:21:51 JST 2017
;; MSG SIZE  rcvd: 257

2. 2

$ dig txt rs.dns-oarc.net @ns.dns-oarc.net

; <<>> DiG 9.11.1-P3 <<>> txt rs.dns-oarc.net @ns.dns-oarc.net
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35192
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 3
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 4233d371d67f49ce5eee2239599d9dcced48bcfad0aa172d (good)
;; QUESTION SECTION:
;rs.dns-oarc.net.               IN      TXT

;; AUTHORITY SECTION:
rs.dns-oarc.net.        3600    IN      NS      ns00.rs.dns-oarc.net.

;; ADDITIONAL SECTION:
ns00.rs.dns-oarc.net.   3600    IN      A       64.191.0.133
ns00.rs.dns-oarc.net.   3600    IN      AAAA    2620:ff:c000:0:2::133

;; Query time: 120 msec
;; SERVER: 64.191.0.65#53(64.191.0.65)
;; WHEN: Thu Aug 24 00:22:52 JST 2017
;; MSG SIZE  rcvd: 135

3. 3

やっと問い合わせるべきサーバーが見つかった。問い合わせると、巨大な返答が返る。

これが受け取れたとしても、まだ終っていない。

/rst.x4090.rs.dns-oarc.net

$ dig txt rs.dns-oarc.net  @ns00.rs.dns-oarc.net

; <<>> DiG 9.11.1-P3 <<>> txt rs.dns-oarc.net @ns00.rs.dns-oarc.net
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50185
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 106, ADDITIONAL: 107

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;rs.dns-oarc.net.               IN      TXT

;; ANSWER SECTION:
rs.dns-oarc.net.        60      IN      CNAME   rst.x4090.rs.dns-oarc.net.

;; AUTHORITY SECTION:
x4090.rs.dns-oarc.net.  60      IN      NS      ns00.x4090.rs.dns-oarc.net.
x4090.rs.dns-oarc.net.  60      IN      NS      ns01.x4090.rs.dns-oarc.net.
x4090.rs.dns-oarc.net.  60      IN      NS      ns02.x4090.rs.dns-oarc.net.
...
x4090.rs.dns-oarc.net.  60      IN      NS      ns104.x4090.rs.dns-oarc.net.
x4090.rs.dns-oarc.net.  60      IN      NS      ns105.x4090.rs.dns-oarc.net.

;; ADDITIONAL SECTION:
ns00.x4090.rs.dns-oarc.net. 60  IN      A       64.191.0.134
ns01.x4090.rs.dns-oarc.net. 60  IN      A       64.191.0.134
ns02.x4090.rs.dns-oarc.net. 60  IN      A       64.191.0.134
...
ns104.x4090.rs.dns-oarc.net. 60 IN      A       64.191.0.134
ns105.x4090.rs.dns-oarc.net. 60 IN      A       64.191.0.134

;; Query time: 182 msec
;; SERVER: 64.191.0.133#53(64.191.0.133)
;; WHEN: Thu Aug 24 00:24:13 JST 2017
;; MSG SIZE  rcvd: 4090