1. watchA
2. whois
$ dig go.usa.gov @a.gov-servers.net +dnssec +qr +bufsize=512 ; <<>> DiG 9.12.1 <<>> go.usa.gov @a.gov-servers.net +dnssec +qr +bufsize=512 ;; global options: +cmd ;; Sending: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 18365 ;; flags: rd ad; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags: do; udp: 512 ; COOKIE: 67dbb964eb60d90f ;; QUESTION SECTION: ;go.usa.gov. IN A ;; QUERY SIZE: 51 ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 18365 ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 8, ADDITIONAL: 7 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags: do; udp: 1472 ;; QUESTION SECTION: ;go.usa.gov. IN A ;; AUTHORITY SECTION: usa.gov. 86400 IN NS dns.gsa.gov. usa.gov. 86400 IN NS dns2.gsa.gov. usa.gov. 86400 IN NS dns3.gsa.gov. usa.gov. 86400 IN NS dns4.gsa.gov. usa.gov. 86400 IN NS dns5.gsa.gov. usa.gov. 3600 IN DS 1481 8 1 AE16DC227BFFB2A007F44BC7D2544944E81687A0 usa.gov. 3600 IN DS 1481 8 2 94E48841DEECB0F1C48F889B89019920C740F234A3EB212D28461414 4C5AE27A usa.gov. 3600 IN RRSIG DS 8 2 3600 20181116221007 20181109221007 40499 gov. jukdSmqZEqHyDPyqsrTdiOQKyu6IAuFsL5YDvbKL7nRqQHpjQ/gTiDDU HMJgsOnDbNDy1Ycjs7WX6h9aEjI/BNvcOkN9WZQXkNlRXH/KyYtZ+Ms5 fq9i/PR5edVjmjIgGAHmIt75L5NnGnEnbw+PZ4SQbv8F4XW7R+/wF4bX sHs= ;; ADDITIONAL SECTION: dns.gsa.gov. 86400 IN A 159.142.136.198 dns2.gsa.gov. 86400 IN A 159.142.150.68 dns3.gsa.gov. 86400 IN A 34.195.166.35 dns4.gsa.gov. 86400 IN A 159.142.69.84 dns5.gsa.gov. 86400 IN A 159.142.45.20 dns.gsa.gov. 86400 IN AAAA 2620:0:150:280f::5 ;; Query time: 8 msec ;; SERVER: 69.36.157.30#53(69.36.157.30) ;; WHEN: Sat Nov 10 09:25:48 JST 2018 ;; MSG SIZE rcvd: 492
512octetに収まる返事を返してきている。-- ToshinoriMaeno 2018-11-10 00:32:27
3. 制約なし
tmaeno@u16:~$ dig go.usa.gov @a.gov-servers.net +dnssec ; <<>> DiG 9.12.1 <<>> go.usa.gov @a.gov-servers.net +dnssec ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57076 ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 8, ADDITIONAL: 8 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags: do; udp: 1472 ;; QUESTION SECTION: ;go.usa.gov. IN A ;; AUTHORITY SECTION: usa.gov. 86400 IN NS dns.gsa.gov. usa.gov. 86400 IN NS dns2.gsa.gov. usa.gov. 86400 IN NS dns3.gsa.gov. usa.gov. 86400 IN NS dns4.gsa.gov. usa.gov. 86400 IN NS dns5.gsa.gov. usa.gov. 3600 IN DS 1481 8 1 AE16DC227BFFB2A007F44BC7D2544944E81687A0 usa.gov. 3600 IN DS 1481 8 2 94E48841DEECB0F1C48F889B89019920C740F234A3EB212D28461414 4C5AE27A usa.gov. 3600 IN RRSIG DS 8 2 3600 20181116221007 20181109221007 40499 gov. jukdSmqZEqHyDPyqsrTdiOQKyu6IAuFsL5YDvbKL7nRqQHpjQ/gTiDDU HMJgsOnDbNDy1Ycjs7WX6h9aEjI/BNvcOkN9WZQXkNlRXH/KyYtZ+Ms5 fq9i/PR5edVjmjIgGAHmIt75L5NnGnEnbw+PZ4SQbv8F4XW7R+/wF4bX sHs= ;; ADDITIONAL SECTION: dns.gsa.gov. 86400 IN A 159.142.136.198 dns2.gsa.gov. 86400 IN A 159.142.150.68 dns3.gsa.gov. 86400 IN A 34.195.166.35 dns4.gsa.gov. 86400 IN A 159.142.69.84 dns5.gsa.gov. 86400 IN A 159.142.45.20 dns.gsa.gov. 86400 IN AAAA 2620:0:150:280f::5 dns4.gsa.gov. 86400 IN AAAA 2620:0:150:4013::5 ;; Query time: 6 msec ;; SERVER: 69.36.157.30#53(69.36.157.30) ;; WHEN: Sat Nov 10 09:26:54 JST 2018 ;; MSG SIZE rcvd: 520