shell:$ nslookup -timeout=2 -retry=1 'readthedocs-hosted.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	readthedocs-hosted.com
Address: 52.88.249.187
Name:	readthedocs-hosted.com
Address: 35.166.119.85
Name:	readthedocs-hosted.com
Address: 54.187.59.27