shell:$ nslookup -timeout=2 -retry=1 'app.biliintl.com'
;; communications error to 75.98.161.224#53: timed out
Server:		69.39.86.5
Address:	69.39.86.5#53

Non-authoritative answer:
app.biliintl.com	canonical name = all.biliintl.com.w.kunlunsl.com.
Name:	all.biliintl.com.w.kunlunsl.com
Address: 47.246.20.200
Name:	all.biliintl.com.w.kunlunsl.com
Address: 47.246.20.196
Name:	all.biliintl.com.w.kunlunsl.com
Address: 47.246.20.202
Name:	all.biliintl.com.w.kunlunsl.com
Address: 47.246.20.203
Name:	all.biliintl.com.w.kunlunsl.com
Address: 47.246.20.198
Name:	all.biliintl.com.w.kunlunsl.com
Address: 47.246.20.201
Name:	all.biliintl.com.w.kunlunsl.com
Address: 47.246.20.197
Name:	all.biliintl.com.w.kunlunsl.com
Address: 47.246.20.199