qty:~ qrtt1$ dig +trace whitebook.kptaipei.tw

; <<>> DiG 9.8.3-P1 <<>> +trace whitebook.kptaipei.tw
;; global options: +cmd
.			11010	IN	NS	a.root-servers.net.
.			11010	IN	NS	b.root-servers.net.
.			11010	IN	NS	c.root-servers.net.
.			11010	IN	NS	d.root-servers.net.
.			11010	IN	NS	e.root-servers.net.
.			11010	IN	NS	f.root-servers.net.
.			11010	IN	NS	g.root-servers.net.
.			11010	IN	NS	h.root-servers.net.
.			11010	IN	NS	i.root-servers.net.
.			11010	IN	NS	j.root-servers.net.
.			11010	IN	NS	k.root-servers.net.
.			11010	IN	NS	l.root-servers.net.
.			11010	IN	NS	m.root-servers.net.
;; Received 449 bytes from 172.16.0.2#53(172.16.0.2) in 18 ms

tw.			172800	IN	NS	e.dns.tw.
tw.			172800	IN	NS	sec4.apnic.net.
tw.			172800	IN	NS	a.dns.tw.
tw.			172800	IN	NS	f.dns.tw.
tw.			172800	IN	NS	b.dns.tw.
tw.			172800	IN	NS	h.dns.tw.
tw.			172800	IN	NS	d.dns.tw.
tw.			172800	IN	NS	ns.twnic.net.
tw.			172800	IN	NS	c.dns.tw.
tw.			172800	IN	NS	g.dns.tw.
;; Received 502 bytes from 192.33.4.12#53(192.33.4.12) in 285 ms

kptaipei.tw.		86400	IN	NS	ns1.ix1000.com.
kptaipei.tw.		86400	IN	NS	ns2.ix1000.com.
;; Received 85 bytes from 210.201.138.58#53(210.201.138.58) in 22 ms

kptaipei.tw.		14400	IN	SOA	ns1.ix1000.com. hostmaster.kptaipei.tw. 2014112852 14400 3600 1209600 86400
;; Received 100 bytes from 219.84.160.181#53(219.84.160.181) in 17 ms

qty:~ qrtt1$ ping whitebook.kptaipei.tw
ping: cannot resolve whitebook.kptaipei.tw: Unknown host