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

Non-authoritative answer:
www.cityofathens.gr	canonical name = www.cityofathens.gr.cdn.cloudflare.net.
Name:	www.cityofathens.gr.cdn.cloudflare.net
Address: 104.20.20.233
Name:	www.cityofathens.gr.cdn.cloudflare.net
Address: 172.66.174.68
Name:	www.cityofathens.gr.cdn.cloudflare.net
Address: 2606:4700:10::6814:14e9
Name:	www.cityofathens.gr.cdn.cloudflare.net
Address: 2606:4700:10::ac42:ae44