shell:$ nslookup -timeout=2 -retry=1 'prometheus.io'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	prometheus.io
Address: 172.67.201.240
Name:	prometheus.io
Address: 104.21.60.220
Name:	prometheus.io
Address: 2606:4700:3030::ac43:c9f0
Name:	prometheus.io
Address: 2606:4700:3030::6815:3cdc