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

Non-authoritative answer:
img.yumpu.com	canonical name = d1hcbe7wmgx2wi.cloudfront.net.
Name:	d1hcbe7wmgx2wi.cloudfront.net
Address: 13.225.47.91
Name:	d1hcbe7wmgx2wi.cloudfront.net
Address: 13.225.47.37
Name:	d1hcbe7wmgx2wi.cloudfront.net
Address: 13.225.47.65
Name:	d1hcbe7wmgx2wi.cloudfront.net
Address: 13.225.47.122
Name:	d1hcbe7wmgx2wi.cloudfront.net
Address: 2600:9000:21d4:f400:1d:c2dd:3c80:93a1
Name:	d1hcbe7wmgx2wi.cloudfront.net
Address: 2600:9000:21d4:8000:1d:c2dd:3c80:93a1
Name:	d1hcbe7wmgx2wi.cloudfront.net
Address: 2600:9000:21d4:a600:1d:c2dd:3c80:93a1
Name:	d1hcbe7wmgx2wi.cloudfront.net
Address: 2600:9000:21d4:800:1d:c2dd:3c80:93a1
Name:	d1hcbe7wmgx2wi.cloudfront.net
Address: 2600:9000:21d4:5c00:1d:c2dd:3c80:93a1
Name:	d1hcbe7wmgx2wi.cloudfront.net
Address: 2600:9000:21d4:8e00:1d:c2dd:3c80:93a1
Name:	d1hcbe7wmgx2wi.cloudfront.net
Address: 2600:9000:21d4:8a00:1d:c2dd:3c80:93a1
Name:	d1hcbe7wmgx2wi.cloudfront.net
Address: 2600:9000:21d4:4e00:1d:c2dd:3c80:93a1