1. watchNS/akam.net
Contents
2. whois
$ dig -t ns akam.net @a.gtld-servers.net ; <<>> DiG 9.12.3 <<>> -t ns akam.net @a.gtld-servers.net ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 7627 ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 16 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;akam.net. IN NS ;; AUTHORITY SECTION: akam.net. 172800 IN NS a9-67.akam.net. akam.net. 172800 IN NS a18-67.akam.net. akam.net. 172800 IN NS a5-67.akam.net. akam.net. 172800 IN NS a3-67.akam.net. akam.net. 172800 IN NS a28-67.akam.net. akam.net. 172800 IN NS a22-67.akam.net. akam.net. 172800 IN NS a7-67.akam.net. akam.net. 172800 IN NS a11-67.akam.net. akam.net. 172800 IN NS a1-67.akam.net. akam.net. 172800 IN NS a12-67.akam.net. akam.net. 172800 IN NS a13-67.akam.net. akam.net. 172800 IN NS a4-67.akam.net. akam.net. 172800 IN NS a6-67.akam.net. ;; ADDITIONAL SECTION: a9-67.akam.net. 172800 IN A 184.85.248.67 a18-67.akam.net. 172800 IN A 95.101.36.67 a5-67.akam.net. 172800 IN A 95.100.168.67 a3-67.akam.net. 172800 IN A 96.7.49.67 a28-67.akam.net. 172800 IN A 95.100.173.67 a22-67.akam.net. 172800 IN A 23.211.61.67 a7-67.akam.net. 172800 IN A 23.61.199.67 a11-67.akam.net. 172800 IN A 84.53.139.67 a1-67.akam.net. 172800 IN A 193.108.91.67 a1-67.akam.net. 172800 IN AAAA 2600:1401:2::43 a12-67.akam.net. 172800 IN A 184.26.160.67 a13-67.akam.net. 172800 IN A 2.22.230.67 a4-67.akam.net. 172800 IN A 72.246.46.67 a6-67.akam.net. 172800 IN A 23.211.133.67 a6-67.akam.net. 172800 IN AAAA 2600:1401:1::43 ;; Query time: 48 msec ;; SERVER: 192.5.6.30#53(192.5.6.30) ;; WHEN: 月 12月 03 09:40:30 JST 2018 ;; MSG SIZE rcvd: 567 tmaeno@u16:~$
3. +DNSSEC
;; MSG SIZE rcvd: 1052
cookieは無視だし。
4. ゾーンサーバーの返事
TTLが長いのが救いになっている。-- ToshinoriMaeno 2018-12-03 00:46:01
$ dig -t ns akam.net @a9-67.akam.net. +dnssec ; <<>> DiG 9.12.3 <<>> -t ns akam.net @a9-67.akam.net. +dnssec ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 7245 ;; flags: qr aa rd; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 22 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags: do; udp: 4096 ;; QUESTION SECTION: ;akam.net. IN NS ;; ANSWER SECTION: akam.net. 90000 IN NS a28-67.akam.net. akam.net. 90000 IN NS a9-67.akam.net. akam.net. 90000 IN NS a5-67.akam.net. akam.net. 90000 IN NS a13-67.akam.net. akam.net. 90000 IN NS a11-67.akam.net. akam.net. 90000 IN NS a18-67.akam.net. akam.net. 90000 IN NS a4-67.akam.net. akam.net. 90000 IN NS a7-67.akam.net. akam.net. 90000 IN NS a3-67.akam.net. akam.net. 90000 IN NS a22-67.akam.net. akam.net. 90000 IN NS a12-67.akam.net. akam.net. 90000 IN NS a1-67.akam.net. akam.net. 90000 IN NS a6-67.akam.net. ;; ADDITIONAL SECTION: a7-67.akam.net. 90000 IN AAAA 2600:1406:32::43 a4-67.akam.net. 90000 IN A 72.246.46.67 a28-67.akam.net. 90000 IN A 95.100.173.67 a9-67.akam.net. 90000 IN AAAA 2a02:26f0:117::43 a13-67.akam.net. 90000 IN AAAA 2600:1480:800::43 a6-67.akam.net. 90000 IN AAAA 2600:1401:1::43 a12-67.akam.net. 90000 IN A 184.26.160.67 a5-67.akam.net. 90000 IN A 95.100.168.67 a1-67.akam.net. 90000 IN A 193.108.91.67 a18-67.akam.net. 90000 IN A 95.101.36.67 a1-67.akam.net. 90000 IN AAAA 2600:1401:2::43 a13-67.akam.net. 90000 IN A 2.22.230.67 a22-67.akam.net. 90000 IN A 23.211.61.67 a9-67.akam.net. 90000 IN A 184.85.248.67 a3-67.akam.net. 90000 IN AAAA 2600:1408:1c::43 a5-67.akam.net. 90000 IN AAAA 2600:1480:b000::43 a11-67.akam.net. 90000 IN AAAA 2600:1480:1::43 a11-67.akam.net. 90000 IN A 84.53.139.67 a3-67.akam.net. 90000 IN A 96.7.49.67 a7-67.akam.net. 90000 IN A 23.61.199.67 a6-67.akam.net. 90000 IN A 23.211.133.67 ;; Query time: 5 msec ;; SERVER: 184.85.248.67#53(184.85.248.67) ;; WHEN: 月 12月 03 09:42:39 JST 2018 ;; MSG SIZE rcvd: 735
こっちは短いから、まだましだ。
$ dig -t a xxxxxx.akam.net @a9-67.akam.net. +dnssec ; <<>> DiG 9.12.3 <<>> -t a xxxxxx.akam.net @a9-67.akam.net. +dnssec ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 27664 ;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags: do; udp: 4096 ;; QUESTION SECTION: ;xxxxxx.akam.net. IN A ;; AUTHORITY SECTION: akam.net. 180 IN SOA internal.akam.net. hostmaster.akamai.com. 1543797840 90000 90000 90000 180 ;; Query time: 5 msec ;; SERVER: 184.85.248.67#53(184.85.248.67) ;; WHEN: 月 12月 03 09:44:00 JST 2018 ;; MSG SIZE rcvd: 110