Max is right, you have to change the DNS settings, but not on lunarpages, you have to do it through the person you registered the domain with.
Your domain seems to be registered with Yahoo (Yahoo and Geocities are one company now).
I looked up some information about your domain, and found a phone number and address you could try.
Tech Name............ YahooDomains Techcontact
Tech Address......... 701 First Ave.
Tech Address.........
Tech Address......... Sunnyvale
Tech Address......... 94089
Tech Address......... CA
Tech Address......... UNITED STATES
Tech Email...........
domain.tech@YAHOO-INC.COM Tech Phone........... +1.6198813096
I'm not sure if anyone will answer it, but you could try.
Other than that, I suggest that you try surfing around their website until you find something or try e-mailing them.
Good luck