Use ‘change incognito’ to change various incognito settings.

To see your current settings:

 > change incog

To change a setting:

 > change incog 

where can be one of:

 host     whether your host name will be visible  level    whether your level and class will be visible in your whois  where    whether you will show up on 'where'  who      whether you will show up in 'who'

Your host will never be shown if you are incognito “who”.