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

Non-authoritative answer:
umc-cdn.secb2b.com	canonical name = d19tvvpg56437g.cloudfront.net.
Name:	d19tvvpg56437g.cloudfront.net
Address: 3.168.37.2
Name:	d19tvvpg56437g.cloudfront.net
Address: 2600:9000:27fb:4000:14:a488:cf07:d461
Name:	d19tvvpg56437g.cloudfront.net
Address: 2600:9000:27fb:3400:14:a488:cf07:d461
Name:	d19tvvpg56437g.cloudfront.net
Address: 2600:9000:27fb:f400:14:a488:cf07:d461
Name:	d19tvvpg56437g.cloudfront.net
Address: 2600:9000:27fb:0:14:a488:cf07:d461
Name:	d19tvvpg56437g.cloudfront.net
Address: 2600:9000:27fb:600:14:a488:cf07:d461
Name:	d19tvvpg56437g.cloudfront.net
Address: 2600:9000:27fb:e400:14:a488:cf07:d461
Name:	d19tvvpg56437g.cloudfront.net
Address: 2600:9000:27fb:8200:14:a488:cf07:d461
Name:	d19tvvpg56437g.cloudfront.net
Address: 2600:9000:27fb:9600:14:a488:cf07:d461