shell:$ nslookup -timeout=2 -retry=1 'speedtest.mycosmos.gr'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
speedtest.mycosmos.gr	canonical name = speedtest.cosmote.net.
speedtest.cosmote.net	canonical name = speedtesta.cosmote.net.
Name:	speedtesta.cosmote.net
Address: 94.143.178.189
Name:	speedtesta.cosmote.net
Address: 2a02:1388:4001::189