shell:$ nslookup -timeout=2 -retry=1 'api.fd.mob.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
api.fd.mob.com	canonical name = dcpsj.dlb.mob.com.
Name:	dcpsj.dlb.mob.com
Address: 180.188.25.46