nicname         43/tcp          whois
nicname         43/udp          whois
whois++         63/tcp
whois++         63/udp
rwhois          4321/tcp                        # Remote Who Is
rwhois          4321/udp                        # Remote Who Is

nslookup my-website.com

Output : 
;; connection timed out; no servers could be reached

nslookup my-ip-address

Server:         4.2.2.2
Address:        4.2.2.2#53

** server can't find xx.xx.xx.xx.in-addr.arpa.: NXDOMAIN

nslookup my-website.com

Output : 
Server:         4.2.2.2
Address:        4.2.2.2#53

Non-authoritative answer:
Name:   webiste.com
Address: my-ip.address