watchNS/nda.ac.jpについて、ここに記述してください。
1. nda.ac.jp
いろいろありそう。 -- ToshinoriMaeno 2011-07-31 13:59:47
- RFC 2181; NS and CNAME
%dnsq a cmdnw00.nda.ac.jp a.dns.jp
1 cmdnw00.nda.ac.jp: 137 bytes, 1+0+3+2 records, response, noerror query: 1 cmdnw00.nda.ac.jp authority: nda.ac.jp 86400 NS cmdnwwf.nda.ac.jp authority: nda.ac.jp 86400 NS cmdnw00.nda.ac.jp authority: nda.ac.jp 86400 NS ns.fujisawa.wide.ad.jp additional: cmdnw00.nda.ac.jp 86400 A 202.25.80.130 additional: cmdnwwf.nda.ac.jp 86400 A 202.25.80.2
%dnsq a cmdnw00.nda.ac.jp 202.25.80.130
1 cmdnw00.nda.ac.jp: 125 bytes, 1+2+2+1 records, response, authoritative, noerror query: 1 cmdnw00.nda.ac.jp answer: cmdnw00.nda.ac.jp 86400 CNAME cmdnw11.nda.ac.jp answer: cmdnw11.nda.ac.jp 86400 A 202.25.80.130 authority: nda.ac.jp 86400 NS cmdnw12.nda.ac.jp authority: nda.ac.jp 86400 NS cmdnw11.nda.ac.jp additional: cmdnw12.nda.ac.jp 86400 A 202.25.80.2
== ??? ===
$ dig -t a cmdnw00.nda.ac.jp @202.25.80.130 ; <<>> DiG 9.11.3-1ubuntu1.17-Ubuntu <<>> -t a cmdnw00.nda.ac.jp @202.25.80.130 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 5398 ;; 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: 4096 ;; QUESTION SECTION: ;cmdnw00.nda.ac.jp. IN A ;; ANSWER SECTION: cmdnw00.nda.ac.jp. 300 IN CNAME scmvexd01.nda.ac.jp. scmvexd01.nda.ac.jp. 300 IN A 202.25.80.2 ;; Query time: 22 msec ;; SERVER: 202.25.80.130#53(202.25.80.130) ;; WHEN: Sat Apr 09 21:58:47 JST 2022 ;; MSG SIZE rcvd: 86
%dnsq a cmdnwwf.nda.ac.jp 202.25.80.130
1 cmdnwwf.nda.ac.jp: 125 bytes, 1+2+2+1 records, response, authoritative, noerror query: 1 cmdnwwf.nda.ac.jp answer: cmdnwwf.nda.ac.jp 86400 CNAME cmdnw12.nda.ac.jp answer: cmdnw12.nda.ac.jp 86400 A 202.25.80.2 authority: nda.ac.jp 86400 NS cmdnw11.nda.ac.jp authority: nda.ac.jp 86400 NS cmdnw12.nda.ac.jp additional: cmdnw11.nda.ac.jp 86400 A 202.25.80.130
2. 2022-04-09
$ dig -t ns nda.ac.jp @202.25.80.130 ; <<>> DiG 9.11.3-1ubuntu1.17-Ubuntu <<>> -t ns nda.ac.jp @202.25.80.130 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4157 ;; 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: 4096 ;; QUESTION SECTION: ;nda.ac.jp. IN NS ;; ANSWER SECTION: nda.ac.jp. 300 IN NS ns.fujisawa.wide.ad.jp. nda.ac.jp. 300 IN NS scmvexd01.nda.ac.jp. nda.ac.jp. 300 IN NS scmvexd02.nda.ac.jp. ;; Query time: 24 msec ;; SERVER: 202.25.80.130#53(202.25.80.130) ;; WHEN: Sat Apr 09 21:56:24 JST 2022 ;; MSG SIZE rcvd: 120