shell:$ nslookup -timeout=2 -retry=1 'sg1.ssl.ipku.xyz'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	sg1.ssl.ipku.xyz
Address: 13.248.169.48
Name:	sg1.ssl.ipku.xyz
Address: 76.223.54.146