Whois域名隐私保护是一种在他人Whois你的域名时显示域名注册商的相关信息，从而掩饰自身信息的一种机制；这种机制并不会泄露你的个人信息。如下图所示，上部分是未开通Whois域名隐私保护的域名，下部分是已开通的，当我们在Whois域名时，各自会显示不同的结果：
| Without Hostmonster.com Privacy | With Hostmonster.com Privacy |
| Registrant: John Smith 123 Your Street Your City, Your State 12345 United States |
Registrant: Hostmonster.com 1958 South 950 East Provo, Utah 84606 United States |
|
Registered through: Hostmonster.com Domain Name: YOURDOMAIN.COM Created on: 15-Nov-02 Expires on: 15-Nov-05 Last Updated on: 31-Oct-04 |
Registered through: Hostmonster.com Domain Name: YOURDOMAIN.COM Created on: 15-Nov-02 Expires on: 15-Nov-05 Last Updated on: 31-Oct-04 |
|
Administrative Contact: Smith, John jsmith@youremail.com 123 Your Street Your City, Your State 12345 United States +1.YourPhoneNumber |
Administrative Contact: Hostmonster.com, whois@Hostmonster.com Hostmonster.com Privacy 1958 South 950 East Provo, Utah 84606 United States 8017659400 Fax -- 8017651992 |
| Technical Contact: Smith, John jsmith@youremail.com 123 Your Street Your City, Your State 12345 United States +1.YourPhoneNumber |
Technical Contact: Hostmonster.com, whois@Hostmonster.com Hostmonster.com Privacy 1958 South 950 East Provo, Utah 84606 United States 8017659400 Fax -- 8017651992 |
|
Domain servers in listed order: ns1.Hostmonster.com ns2.Hostmonster.com |
Domain servers in listed order: ns1.Hostmonster.com ns2.Hostmonster.com |
由此可以看出，开通Whois域名隐私保护，可以防止被查询到自己的用户信息。另一方面，当我们在注册域名、购买虚拟主机时也可以放心地填写真实信息，避免主机后续操作需要验证时，出现信息不完整等一系列问题。
HostMonster主机开通Whois域名隐私保护每年仅需9。95美元。
