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

Non-authoritative answer:
id.trip.com	canonical name = slb-trip-ak.ctripgslb.com.
slb-trip-ak.ctripgslb.com	canonical name = c229846.edgekey.net.
c229846.edgekey.net	canonical name = e229846.dscx.akamaiedge.net.
Name:	e229846.dscx.akamaiedge.net
Address: 23.62.106.134
Name:	e229846.dscx.akamaiedge.net
Address: 23.62.106.136
Name:	e229846.dscx.akamaiedge.net
Address: 2600:1405:d400:8::173e:6a88
Name:	e229846.dscx.akamaiedge.net
Address: 2600:1405:d400:8::173e:6a86