shell:$ nslookup -timeout=2 -retry=1 'fq03.app'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
fq03.app	canonical name = cdn-http-ok.ns.keilao.com.
cdn-http-ok.ns.keilao.com	canonical name = qingfeng.xxxxxx.la.
Name:	qingfeng.xxxxxx.la
Address: 162.209.140.13