shell:$ nslookup -timeout=2 -retry=1 'www.fcfc.com.tw'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
www.fcfc.com.tw	canonical name = m6.imycdn.com.
Name:	m6.imycdn.com
Address: 66.175.220.89
Name:	m6.imycdn.com
Address: 2600:3c01::f03c:92ff:fe85:d901