ID Protection is an optional service to enable a domain’s owner to hide their private info (eg Name, Mailing Address, Tel No, Email, etc) from being displayed in WHOIS server.
(Here is example of WHOIS search : http://www.netkl.org/whois/lookup.php )
Below is a sample of search results (WITH and WITHOUT Whois ID Protection service):
WHOIS ID Protection service is only OPTIONAL. If interested, the cost is only RM10/year. Please do not hesitate to contact us , if you need further info/assistance.