DNS/TCP/heteml.jpについて、ここに記述してください。
DNS/TCPサポートせずか。
$ dig +notcp -t ns giggle.jp @dns0.heteml.jp. ; <<>> DiG 9.12.1 <<>> +notcp -t ns giggle.jp @dns0.heteml.jp. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 21781 ;; flags: qr aa rd; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 2 ;; WARNING: recursion requested but not available ;; QUESTION SECTION: ;giggle.jp. IN NS ;; ANSWER SECTION: giggle.jp. 86400 IN NS dns0.heteml.jp. giggle.jp. 86400 IN NS dns1.heteml.jp. ;; ADDITIONAL SECTION: dns0.heteml.jp. 3600 IN A 157.7.44.53 dns1.heteml.jp. 3600 IN A 157.7.44.54 ;; Query time: 4 msec ;; SERVER: 157.7.44.53#53(157.7.44.53) ;; WHEN: Mon Apr 23 13:12:25 JST 2018 ;; MSG SIZE rcvd: 104 tmaeno@u16:~$ dig +tcp -t ns giggle.jp @dns0.heteml.jp. ;; Connection to 157.7.44.53#53(157.7.44.53) for giggle.jp failed: connection refused.