azurewebsite.netについて、ここに記述してください。

Contents

  1. ゾーンサーバー返答
  2. Unbound
  3. bind
  4. Knot Resolver
  5. Knot Resolver ???

リゾルバーのlogを確認した方がよさそう。 

azurewebsites.net.      2517    IN      NS      prd4.azuredns-cloud.net.
azurewebsites.net.      2517    IN      NS      prd2.azuredns-cloud.net.
azurewebsites.net.      2517    IN      NS      prd3.azuredns-cloud.net.
azurewebsites.net.      2517    IN      NS      prd1.azuredns-cloud.net.

azurewebsites.windows.net. 2429 IN      NS      prd4.azuredns-cloud.net.
azurewebsites.windows.net. 2429 IN      NS      prd1.azuredns-cloud.net.
azurewebsites.windows.net. 2429 IN      NS      prd2.azuredns-cloud.net.
azurewebsites.windows.net. 2429 IN      NS      prd3.azuredns-cloud.net.

prd1.azuredns-cloud.net. 2958 IN A 204.79.195.43 

cloudapp.net.           2576    IN      NS      prd1.azuredns-cloud.net.
cloudapp.net.           2576    IN      NS      prd3.azuredns-cloud.net.
cloudapp.net.           2576    IN      NS      prd2.azuredns-cloud.net.
cloudapp.net.           2576    IN      NS      prd4.azuredns-cloud.net.

1. ゾーンサーバー返答

azurewebsites.net 

%dig cosmopia2018.azurewebsites.net @prd1.azuredns-cloud.net.

; <<>> DiG 9.12.1 <<>> cosmopia2018.azurewebsites.net @prd1.azuredns-cloud.net.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 22201
;; flags: qr aa rd; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1280
; COOKIE: 7990fadd5bb8020c (echoed)
;; QUESTION SECTION:
;cosmopia2018.azurewebsites.net.        IN      A

;; ANSWER SECTION:
cosmopia2018.azurewebsites.net. 1800 IN CNAME   waws-prod-ty1-013.vip.azurewebsites.windows.net.
waws-prod-ty1-013.vip.azurewebsites.windows.net. 300 IN CNAME waws-prod-ty1-013.cloudapp.net.
waws-prod-ty1-013.cloudapp.net. 60 IN   A       52.243.39.89

;; Query time: 8 msec
;; SERVER: 204.79.195.43#53(204.79.195.43)
;; WHEN: Sat Aug 04 18:02:17 JST 2018
;; MSG SIZE  rcvd: 186

azurewebsites.windows.net. 3600 IN      NS      ns2prod.128.azuredns-prd.info.
azurewebsites.windows.net. 3600 IN      NS      ns2prod.128.azuredns-prd.org.
azurewebsites.windows.net. 3600 IN      NS      ns1prod.128.azuredns-prd.org.
azurewebsites.windows.net. 3600 IN      NS      ns1prod.128.azuredns-prd.info.

$ dig waws-prod-ty1-013.vip.azurewebsites.windows.net. @ns1prod.128.azuredns-prd.org. 

; <<>> DiG 9.12.1 <<>> waws-prod-ty1-013.vip.azurewebsites.windows.net. @ns1prod.128.azuredns-prd.org.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 5937
;; flags: qr aa rd; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1280
; COOKIE: ed04d6d5fbb826e5 (echoed)
;; QUESTION SECTION:
;waws-prod-ty1-013.vip.azurewebsites.windows.net. IN A

;; ANSWER SECTION:
waws-prod-ty1-013.vip.azurewebsites.windows.net. 300 IN CNAME waws-prod-ty1-013.cloudapp.net.
waws-prod-ty1-013.cloudapp.net. 60 IN   A       52.243.39.89

;; Query time: 4 msec
;; SERVER: 204.79.195.43#53(204.79.195.43)
;; WHEN: Sat Aug 04 18:19:26 JST 2018
;; MSG SIZE  rcvd: 145

$ dig waws-prod-ty1-013.cloudapp.net. @prd1.azuredns-cloud.net.

; <<>> DiG 9.12.1 <<>> waws-prod-ty1-013.cloudapp.net. @prd1.azuredns-cloud.net.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33976
;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1280
; COOKIE: 7aa27a89b556f6fe (echoed)
;; QUESTION SECTION:
;waws-prod-ty1-013.cloudapp.net.        IN      A

;; ANSWER SECTION:
waws-prod-ty1-013.cloudapp.net. 60 IN   A       52.243.39.89

;; Query time: 4 msec
;; SERVER: 204.79.195.43#53(204.79.195.43)
;; WHEN: Sat Aug 04 18:20:46 JST 2018
;; MSG SIZE  rcvd: 87

2. Unbound

$ dig +noedns cosmopia2018.azurewebsites.net @127.0.0.2 

; <<>> DiG 9.12.1 <<>> +noedns cosmopia2018.azurewebsites.net @127.0.0.2
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48741
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;cosmopia2018.azurewebsites.net.        IN      A

;; ANSWER SECTION:
cosmopia2018.azurewebsites.net. 1765 IN CNAME   waws-prod-ty1-013.vip.azurewebsites.windows.net.
waws-prod-ty1-013.vip.azurewebsites.windows.net. 566 IN CNAME waws-prod-ty1-013.cloudapp.net.
waws-prod-ty1-013.cloudapp.net. 566 IN  A       52.243.39.89

;; Query time: 0 msec
;; SERVER: 127.0.0.2#53(127.0.0.2)
;; WHEN: Sat Aug 04 18:13:27 JST 2018
;; MSG SIZE  rcvd: 163

TTL　minimumを 600に設定してある。-- ToshinoriMaeno 2018-08-04 09:21:56

3. bind

$ dig +noedns cosmopia2018.azurewebsites.net @127.0.0.1

; <<>> DiG 9.12.1 <<>> +noedns cosmopia2018.azurewebsites.net @127.0.0.1
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 23442
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;cosmopia2018.azurewebsites.net.        IN      A

;; ANSWER SECTION:
cosmopia2018.azurewebsites.net. 1800 IN CNAME   waws-prod-ty1-013.vip.azurewebsites.windows.net.
waws-prod-ty1-013.vip.azurewebsites.windows.net. 300 IN CNAME waws-prod-ty1-013.cloudapp.net.
waws-prod-ty1-013.cloudapp.net. 60 IN   A       52.243.39.89

;; Query time: 1662 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Sat Aug 04 18:16:12 JST 2018
;; MSG SIZE  rcvd: 163

4. Knot Resolver

$ dig +noedns cosmopia2018.azurewebsites.net @127.0.0.4

; <<>> DiG 9.12.1 <<>> +noedns cosmopia2018.azurewebsites.net @127.0.0.4
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29421
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;cosmopia2018.azurewebsites.net.        IN      A

;; ANSWER SECTION:
cosmopia2018.azurewebsites.net. 1800 IN CNAME   waws-prod-ty1-013.vip.azurewebsites.windows.net.
waws-prod-ty1-013.vip.azurewebsites.windows.net. 300 IN CNAME waws-prod-ty1-013.cloudapp.net.
waws-prod-ty1-013.cloudapp.net. 60 IN   A       52.243.39.89

;; Query time: 183 msec
;; SERVER: 127.0.0.4#53(127.0.0.4)
;; WHEN: Sat Aug 04 18:16:56 JST 2018
;; MSG SIZE  rcvd: 163

5. Knot Resolver ???

$ dig +noedns cosmopia2018.azurewebsites.net @127.0.0.4

; <<>> DiG 9.12.1 <<>> +noedns cosmopia2018.azurewebsites.net @127.0.0.4
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27947
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;cosmopia2018.azurewebsites.net.        IN      A

;; ANSWER SECTION:
cosmopia2018.azurewebsites.net. 1800 IN CNAME   waws-prod-ty1-013.vip.azurewebsites.windows.net.
waws-prod-ty1-013.vip.azurewebsites.windows.net. 300 IN CNAME waws-prod-ty1-013.cloudapp.net.
waws-prod-ty1-013.cloudapp.net. 38 IN   A       52.243.39.89

;; Query time: 177 msec
;; SERVER: 127.0.0.4#53(127.0.0.4)
;; WHEN: Sat Aug 04 18:22:32 JST 2018
;; MSG SIZE  rcvd: 163