azurewebsite.netについて、ここに記述してください。 <> リゾルバーのlogを確認した方がよさそう。 　Knot Resolverからの返答は気持ちわるい。-- ToshinoriMaeno <> CNAMEのTTLが変化しない。 {{{ 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. }}} == 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 }}} == 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 <> == 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 }}} == 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 }}} == 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 }}}