shell:$ nslookup -timeout=2 -retry=1 'uat-umc-cdn.secb2b.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	uat-umc-cdn.secb2b.com
Address: 13.249.130.204
Name:	uat-umc-cdn.secb2b.com
Address: 2600:9000:212f:2200:1a:3865:f911:e521
Name:	uat-umc-cdn.secb2b.com
Address: 2600:9000:212f:3a00:1a:3865:f911:e521
Name:	uat-umc-cdn.secb2b.com
Address: 2600:9000:212f:4000:1a:3865:f911:e521
Name:	uat-umc-cdn.secb2b.com
Address: 2600:9000:212f:fe00:1a:3865:f911:e521
Name:	uat-umc-cdn.secb2b.com
Address: 2600:9000:212f:7a00:1a:3865:f911:e521
Name:	uat-umc-cdn.secb2b.com
Address: 2600:9000:212f:c000:1a:3865:f911:e521
Name:	uat-umc-cdn.secb2b.com
Address: 2600:9000:212f:8800:1a:3865:f911:e521
Name:	uat-umc-cdn.secb2b.com
Address: 2600:9000:212f:aa00:1a:3865:f911:e521