mt@www:~$ dig railway.gov.tw NS @c.twnic.net.tw
; <<>> DiG 9.9.5-9+deb8u15-Debian <<>> railway.gov.tw NS @c.twnic.net.tw
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 14526
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 9
;; WARNING: recursion requested but not available
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;railway.gov.tw. IN NS
;; AUTHORITY SECTION:
railway.gov.tw. 86400 IN NS ns1.railway.gov.tw.
railway.gov.tw. 86400 IN NS ns2.railway.gov.tw.
;; ADDITIONAL SECTION:
ns1.railway.gov.tw. 86400 IN A 210.241.82.200
ns1.railway.gov.tw. 86400 IN A 163.29.186.200
ns2.railway.gov.tw. 86400 IN A 163.29.186.201
ns2.railway.gov.tw. 86400 IN A 210.241.82.201
ns1.railway.gov.tw. 86400 IN AAAA 2001:4420:60ab:1fd::6
ns1.railway.gov.tw. 86400 IN AAAA 2001:4420:60ac:1fd::6
ns2.railway.gov.tw. 86400 IN AAAA 2001:4420:60ac:1fd::7
ns2.railway.gov.tw. 86400 IN AAAA 2001:4420:60ab:1fd::7
;; Query time: 13 msec
;; SERVER: 168.95.192.10#53(168.95.192.10)
;; WHEN: Sun Aug 26 01:22:38 CST 2018
;; MSG SIZE rcvd: 255