shell:$ nslookup -timeout=2 -retry=1 'www.greenhouse.io'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
www.greenhouse.io	canonical name = ingress.prod-usw2-0.greenhouse.io.
Name:	ingress.prod-usw2-0.greenhouse.io
Address: 54.69.246.103
Name:	ingress.prod-usw2-0.greenhouse.io
Address: 44.229.91.191
Name:	ingress.prod-usw2-0.greenhouse.io
Address: 52.89.204.13