Information provided by Whois:
Domain Name: HOSTILEINVADER.COM
Registrar: NETWORK SOLUTIONS, INC.
Whois Server: whois.networksolutions.com
Referral URL:
www.networksolutions.com...
Name Server: NS85.WORLDNIC.COM
Name Server: NS86.WORLDNIC.COM
Status: REGISTRAR-LOCK
Updated Date: 22-sep-2003
Creation Date: 27-sep-2001
Expiration Date: 27-sep-2004
It appears that it has been locked for some reason.