shell:$ nslookup -timeout=2 -retry=1 'piay.iflix.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
piay.iflix.com	canonical name = ins-hjyyudbq.ias.tencent-cloud.net.
Name:	ins-hjyyudbq.ias.tencent-cloud.net
Address: 101.33.46.152
Name:	ins-hjyyudbq.ias.tencent-cloud.net
Address: 101.33.46.28