MoinQ:

DNS/キャッシュサーバ/kddi.ne.jpについて、ここに記述してください。 

$ dnsname 211.134.181.105
dns02.hs.kddi.ne.jp

はアクセス制限されたか。-- ToshinoriMaeno 2015-12-19 07:39:30

NSレコードのTTLの扱いに注意

/yatz

1. EDNS0

$ dig @211.134.181.105 +bufsize=2048 RRSIG iij.ad.jp 

; <<>> DiG 9.7.3 <<>> @211.134.181.105 +bufsize=2048 RRSIG iij.ad.jp
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50876
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 2, ADDITIONAL: 5

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;iij.ad.jp.                     IN      RRSIG

;; ANSWER SECTION:
iij.ad.jp.              357700  IN      RRSIG   MX 8 3 604800 20110614151005 20110515151005 17379 iij.ad.jp. CNWTmQSgVHyuh3deFOl3jjjkGtkGM8H2UGk8QQ2mF9HpI9iEVxWyVdxj wKerYANz2HlEARFbD2bh2/62pm5plApumQxe67khtc+C4IFVhKevmg2N Pqa60CJ27vPRWZ60LzV1f05iApKaAh5oUDe8Ml/0RkSKRBwsPePyLxIn ml4=
iij.ad.jp.              36407   IN      RRSIG   DS 8 3 86400 20110613174503 20110514174503 25068 jp. FXTjDLqPxmqEWpj1miu1zsi8KlSN2PeHfR+NR5Y5CXIRhBk3vKyMzIny 38VDVuZIH4kFlB+Jv5OKnKuWwth9/k33iBJCG7CjVeECTXOpb+i5x8td pnUa2kkOixjpTCMu1Z9BTHxmXcrsWMTMYtjOqCMme+Ac5DI3yYPXWTdX XTE=
iij.ad.jp.              603423  IN      RRSIG   NS 8 3 604800 20110617151005 20110518151005 17379 iij.ad.jp. pxGpgAHt0H9OzxWvZt3mTtYleERZ0GaCv5k6oWPffvK3xaX9xq6YaNXK jt3mgDiB7qega4kCg4z1oZVIpPMqwrPqtgo2jOQkryPz4yMNOmVCLyNx wPymwHwYo4fD//5clsb047cXsjXlJMXZn/XfGMJfpdtSS95FR50cw+qI cdg=

;; AUTHORITY SECTION:
iij.ad.jp.              554807  IN      NS      dns0.iij.ad.jp.
iij.ad.jp.              554807  IN      NS      dns1.iij.ad.jp.

;; ADDITIONAL SECTION:
dns0.iij.ad.jp.         8454    IN      A       210.138.174.16
dns0.iij.ad.jp.         9301    IN      AAAA    2001:240:bb41:8002::1:16
dns1.iij.ad.jp.         36407   IN      A       210.138.175.5
dns1.iij.ad.jp.         25235   IN      AAAA    2001:240:bb4c:8000::1:5

;; Query time: 37 msec
;; SERVER: 211.134.181.105#53(211.134.181.105)
;; WHEN: Thu May 19 08:23:14 2011
;; MSG SIZE  rcvd: 664

2. TCP mode

$ dig @211.134.181.105 RRSIG iij.ad.jp 

;; Truncated, retrying in TCP mode.

; <<>> DiG 9.7.3 <<>> @211.134.181.105 RRSIG iij.ad.jp
; (1 server found)
;; global options: +cmd
;; Got answer
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 62383
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 2, ADDITIONAL: 4

;; QUESTION SECTION:
;iij.ad.jp.                     IN      RRSIG

;; ANSWER SECTION:
iij.ad.jp.              357540  IN      RRSIG   MX 8 3 604800 20110614151005 20110515151005 17379 iij.ad.jp. CNWTmQSgVHyuh3deFOl3jjjkGtkGM8H2UGk8QQ2mF9HpI9iEVxWyVdxj wKerYANz2HlEARFbD2bh2/62pm5plApumQxe67khtc+C4IFVhKevmg2N Pqa60CJ27vPRWZ60LzV1f05iApKaAh5oUDe8Ml/0RkSKRBwsPePyLxIn ml4=
iij.ad.jp.              36247   IN      RRSIG   DS 8 3 86400 20110613174503 20110514174503 25068 jp. FXTjDLqPxmqEWpj1miu1zsi8KlSN2PeHfR+NR5Y5CXIRhBk3vKyMzIny 38VDVuZIH4kFlB+Jv5OKnKuWwth9/k33iBJCG7CjVeECTXOpb+i5x8td pnUa2kkOixjpTCMu1Z9BTHxmXcrsWMTMYtjOqCMme+Ac5DI3yYPXWTdX XTE=
iij.ad.jp.              603263  IN      RRSIG   NS 8 3 604800 20110617151005 20110518151005 17379 iij.ad.jp. pxGpgAHt0H9OzxWvZt3mTtYleERZ0GaCv5k6oWPffvK3xaX9xq6YaNXK jt3mgDiB7qega4kCg4z1oZVIpPMqwrPqtgo2jOQkryPz4yMNOmVCLyNx wPymwHwYo4fD//5clsb047cXsjXlJMXZn/XfGMJfpdtSS95FR50cw+qI cdg=

;; AUTHORITY SECTION:
iij.ad.jp.              554647  IN      NS      dns1.iij.ad.jp.
iij.ad.jp.              554647  IN      NS      dns0.iij.ad.jp.

;; ADDITIONAL SECTION:
dns0.iij.ad.jp.         8294    IN      A       210.138.174.16
dns0.iij.ad.jp.         9141    IN      AAAA    2001:240:bb41:8002::1:16
dns1.iij.ad.jp.         36247   IN      A       210.138.175.5
dns1.iij.ad.jp.         25075   IN      AAAA    2001:240:bb4c:8000::1:5

;; Query time: 38 msec
;; SERVER: 211.134.181.105#53(211.134.181.105)
;; WHEN: Thu May 19 08:25:53 2011
;; MSG SIZE  rcvd: 653