1. watchA
TCP queryに返事がないそうです。
親と同居の害か。-- ToshinoriMaeno 2020-03-04 09:29:11
- ANSWERだから、これでいいのか。
2. whois
3. history
$ dig -t ns net.fukuoka-u.ac.jp @133.100.240.10 ; <<>> DiG 9.11.3-1ubuntu1.11-Ubuntu <<>> -t ns net.fukuoka-u.ac.jp @133.100.240.10 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2444 ;; 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 ; COOKIE: 4f7f6a909b89c22f97aa719a5e5f72a574b386de658e3a1f (good) ;; QUESTION SECTION: ;net.fukuoka-u.ac.jp. IN NS ;; ANSWER SECTION: net.fukuoka-u.ac.jp. 60 IN NS ns-b.net.fukuoka-u.ac.jp. net.fukuoka-u.ac.jp. 60 IN NS ns-a.net.fukuoka-u.ac.jp. net.fukuoka-u.ac.jp. 60 IN NS ns-c.net.fukuoka-u.ac.jp. ;; Query time: 23 msec ;; SERVER: 133.100.240.10#53(133.100.240.10) ;; WHEN: Wed Mar 04 18:19:33 JST 2020 ;; MSG SIZE rcvd: 133