shell:$ nslookup -timeout=2 -retry=1 'www.kpn.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
www.kpn.com	canonical name = kpn-prod.teamopen.prod.aws.kpn.com.
Name:	kpn-prod.teamopen.prod.aws.kpn.com
Address: 3.162.163.63
Name:	kpn-prod.teamopen.prod.aws.kpn.com
Address: 3.162.163.86
Name:	kpn-prod.teamopen.prod.aws.kpn.com
Address: 3.162.163.89
Name:	kpn-prod.teamopen.prod.aws.kpn.com
Address: 3.162.163.129
Name:	kpn-prod.teamopen.prod.aws.kpn.com
Address: 2600:9000:2616:e000:a:e903:f8c0:93a1
Name:	kpn-prod.teamopen.prod.aws.kpn.com
Address: 2600:9000:2616:9600:a:e903:f8c0:93a1
Name:	kpn-prod.teamopen.prod.aws.kpn.com
Address: 2600:9000:2616:4800:a:e903:f8c0:93a1
Name:	kpn-prod.teamopen.prod.aws.kpn.com
Address: 2600:9000:2616:1000:a:e903:f8c0:93a1
Name:	kpn-prod.teamopen.prod.aws.kpn.com
Address: 2600:9000:2616:c400:a:e903:f8c0:93a1
Name:	kpn-prod.teamopen.prod.aws.kpn.com
Address: 2600:9000:2616:1600:a:e903:f8c0:93a1
Name:	kpn-prod.teamopen.prod.aws.kpn.com
Address: 2600:9000:2616:ee00:a:e903:f8c0:93a1
Name:	kpn-prod.teamopen.prod.aws.kpn.com
Address: 2600:9000:2616:4e00:a:e903:f8c0:93a1