watchNS/success-corp.co.jpについて、ここに記述してください。
$ dnsq ns success-corp.co.jp a.dns.jp 2 success-corp.co.jp: 97 bytes, 1+0+2+1 records, response, noerror query: 2 success-corp.co.jp authority: success-corp.co.jp 86400 NS ns.success-corp.co.jp authority: success-corp.co.jp 86400 NS uns02.usen.ad.jp additional: ns.success-corp.co.jp 86400 A 124.39.123.211
$ dig -t ns success-corp.co.jp @uns02.usen.ad.jp. ; <<>> DiG 9.11.2 <<>> -t ns success-corp.co.jp @uns02.usen.ad.jp. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 38398 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;success-corp.co.jp. IN NS ;; Query time: 5 msec ;; SERVER: 61.122.116.165#53(61.122.116.165) ;; WHEN: Sat Dec 30 17:21:03 JST 2017 ;; MSG SIZE rcvd: 47 $ dig -t ns success-corp.co.jp @124.39.123.211 ^Ctmaeno@u16:~$