shell:$ nslookup -timeout=2 -retry=1 '0k.readme.io'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
0k.readme.io	canonical name = cname.readmessl.com.
Name:	cname.readmessl.com
Address: 104.16.242.118
Name:	cname.readmessl.com
Address: 104.16.241.118
Name:	cname.readmessl.com
Address: 2606:4700::6810:f276
Name:	cname.readmessl.com
Address: 2606:4700::6810:f176