Yes, it is possible to update or change the information in a Whois Lookup record. You can do this by contacting IPHOST support and request to update your contact information. In some cases, you may be able to update your information online in client area.
It's important to keep your Whois Lookup information up-to-date, as this information is used by various organizations and individuals to contact you in regards to your domain name or IP address. Inaccurate or outdated information can result in missed opportunities or unwanted communications.
Note that some domain registrars may have restrictions or requirements for updating Whois Lookup information, so it's a good idea to review your registrar's policies and procedures before making any changes.