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

Non-authoritative answer:
speedtest.ljosleidarinn.is	canonical name = speedtest.net.
Name:	speedtest.net
Address: 151.101.2.219
Name:	speedtest.net
Address: 151.101.194.219
Name:	speedtest.net
Address: 151.101.66.219
Name:	speedtest.net
Address: 151.101.130.219
Name:	speedtest.net
Address: 2a04:4e42:600::731
Name:	speedtest.net
Address: 2a04:4e42:200::731
Name:	speedtest.net
Address: 2a04:4e42::731
Name:	speedtest.net
Address: 2a04:4e42:400::731