watchWWW/city.kita.tokyo.jpについて、ここに記述してください。
$ dig www.city.kita.tokyo.jp @a.dns.jp ; <<>> DiG 9.12.0 <<>> www.city.kita.tokyo.jp @a.dns.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 32952 ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 7 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;www.city.kita.tokyo.jp. IN A ;; AUTHORITY SECTION: city.kita.tokyo.jp. 86400 IN NS ns01.idc.jp. city.kita.tokyo.jp. 86400 IN NS ns03.idc.jp. city.kita.tokyo.jp. 86400 IN NS ns02.idc.jp. ;; ADDITIONAL SECTION: ns01.idc.jp. 86400 IN A 210.158.219.203 ns02.idc.jp. 86400 IN A 64.56.165.91 ns03.idc.jp. 86400 IN A 158.205.198.214 ns01.idc.jp. 86400 IN AAAA 2001:d88:a001:6:210:158:219:203 ns02.idc.jp. 86400 IN AAAA 2001:d88:a001:7:64:56:165:91 ns03.idc.jp. 86400 IN AAAA 2001:d88:a001:8:158:205:198:214 ;; Query time: 4 msec ;; SERVER: 203.119.1.1#53(203.119.1.1) ;; WHEN: Mon Feb 26 10:27:36 JST 2018 ;; MSG SIZE rcvd: 244 tmaeno@u16:~$ dig www.city.kita.tokyo.jp @ns01.idc.jp. ; <<>> DiG 9.12.0 <<>> www.city.kita.tokyo.jp @ns01.idc.jp. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 55857 ;; 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: 4096 ;; QUESTION SECTION: ;www.city.kita.tokyo.jp. IN A ;; ANSWER SECTION: www.city.kita.tokyo.jp. 86400 IN CNAME p00s009-010.cas.iijgio.jp. ;; Query time: 5 msec ;; SERVER: 210.158.219.203#53(210.158.219.203) ;; WHEN: Mon Feb 26 10:27:50 JST 2018 ;; MSG SIZE rcvd: 88