shell:$ nslookup -timeout=2 -retry=1 'api.fd.mob.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

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