shell:$ nslookup -timeout=2 -retry=1 'prod.1.slot.cdn.salesforce-communities.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
prod.1.slot.cdn.salesforce-communities.com	canonical name = location.force.com.
location.force.com	canonical name = location.l.force.com.
Name:	location.l.force.com
Address: 136.146.47.2
Name:	location.l.force.com
Address: 136.146.40.8
Name:	location.l.force.com
Address: 136.146.41.8
Name:	location.l.force.com
Address: 136.146.42.8
Name:	location.l.force.com
Address: 136.146.43.8
Name:	location.l.force.com
Address: 136.146.20.5