shell:$ nslookup -timeout=2 -retry=1 'assets.o2.co.uk'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
assets.o2.co.uk	canonical name = d22rar33u9x547.cloudfront.net.
Name:	d22rar33u9x547.cloudfront.net
Address: 18.238.25.41
Name:	d22rar33u9x547.cloudfront.net
Address: 18.238.25.35
Name:	d22rar33u9x547.cloudfront.net
Address: 18.238.25.46
Name:	d22rar33u9x547.cloudfront.net
Address: 18.238.25.92
Name:	d22rar33u9x547.cloudfront.net
Address: 2600:9000:2506:5e00:1a:5a1a:49c0:93a1
Name:	d22rar33u9x547.cloudfront.net
Address: 2600:9000:2506:fa00:1a:5a1a:49c0:93a1
Name:	d22rar33u9x547.cloudfront.net
Address: 2600:9000:2506:c600:1a:5a1a:49c0:93a1
Name:	d22rar33u9x547.cloudfront.net
Address: 2600:9000:2506:6c00:1a:5a1a:49c0:93a1
Name:	d22rar33u9x547.cloudfront.net
Address: 2600:9000:2506:400:1a:5a1a:49c0:93a1
Name:	d22rar33u9x547.cloudfront.net
Address: 2600:9000:2506:7600:1a:5a1a:49c0:93a1
Name:	d22rar33u9x547.cloudfront.net
Address: 2600:9000:2506:9c00:1a:5a1a:49c0:93a1
Name:	d22rar33u9x547.cloudfront.net
Address: 2600:9000:2506:7e00:1a:5a1a:49c0:93a1