shell:$ nslookup -timeout=2 -retry=1 't1.dcloud.net.cn'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	t1.dcloud.net.cn
Address: 121.5.156.143
Name:	t1.dcloud.net.cn
Address: 111.229.29.28
Name:	t1.dcloud.net.cn
Address: 150.158.34.108
Name:	t1.dcloud.net.cn
Address: 101.34.244.49
Name:	t1.dcloud.net.cn
Address: 110.42.242.86
Name:	t1.dcloud.net.cn
Address: 111.229.136.92