shell:$ nslookup -timeout=2 -retry=1 'aria-at-staging.w3.org'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
aria-at-staging.w3.org	canonical name = bestla.w3.org.
Name:	bestla.w3.org
Address: 52.86.65.56