shell:$ nslookup -timeout=2 -retry=1 'ots.alicdn.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
ots.alicdn.com	canonical name = ots.alicdn.com.danuoyi.tbcache.com.
Name:	ots.alicdn.com.danuoyi.tbcache.com
Address: 47.246.20.172
Name:	ots.alicdn.com.danuoyi.tbcache.com
Address: 47.246.20.173