shell:$ nslookup -timeout=2 -retry=1 'access.edx.org'
Server: 127.0.0.53
Address: 127.0.0.53#53
Non-authoritative answer:
access.edx.org canonical name = 2u-guid-production-cd-mcvxyjd68te6npiw.edge.tenants.us.auth0.com.
2u-guid-production-cd-mcvxyjd68te6npiw.edge.tenants.us.auth0.com canonical name = auth0-ingress.us.auth0.com.cdn.cloudflare.net.
Name: auth0-ingress.us.auth0.com.cdn.cloudflare.net
Address: 104.18.43.182
Name: auth0-ingress.us.auth0.com.cdn.cloudflare.net
Address: 172.64.144.74
Name: auth0-ingress.us.auth0.com.cdn.cloudflare.net
Address: 2606:4700:4403::ac40:904a
Name: auth0-ingress.us.auth0.com.cdn.cloudflare.net
Address: 2606:4700:440c::6812:2bb6
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