shell:$ nslookup -timeout=2 -retry=1 'readthedocs-hosted.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	readthedocs-hosted.com
Address: 52.33.11.45
Name:	readthedocs-hosted.com
Address: 44.255.149.188
Name:	readthedocs-hosted.com
Address: 52.33.102.146