Based on the domain registration info for umdkd.org:
Code:
Domain ID:D142992447-LROR
Domain Name:UMDKD.ORG
Created On:06-Apr-2007 01:27:19 UTC
Last Updated On:01-Jul-2010 08:25:26 UTC
Expiration Date:06-Apr-2011 01:27:19 UTC
Sponsoring Registrar:GoDaddy.com, Inc. (R91-LROR)
Status:CLIENT DELETE PROHIBITED
Status:CLIENT RENEW PROHIBITED
Status:CLIENT TRANSFER PROHIBITED
Status:CLIENT UPDATE PROHIBITED
Registrant ID:CR33153045
Registrant Name:DOMAINS ADMIN
Registrant Organization:ARCHON CONSULTING, INC.
Registrant Street1:11100 Santa Monica Blvd
Registrant Street2:Suite 560
Registrant Street3:
Registrant City:Los Angeles
Registrant State/Province:California
Registrant Postal Code:90025
Registrant Country:US
Registrant Phone:+1.3104786306
Registrant Phone Ext.:
Registrant FAX:
Registrant FAX Ext.:
Registrant Email:domains@archonconsulting.net
Admin ID:CR33153047
Admin Name:DOMAINS ADMIN
Admin Organization:ARCHON CONSULTING, INC.
Admin Street1:11100 Santa Monica Blvd
Admin Street2:Suite 560
Admin Street3:
Admin City:Los Angeles
Admin State/Province:California
Admin Postal Code:90025
Admin Country:US
Admin Phone:+1.3104786306
Admin Phone Ext.:
Admin FAX:
Admin FAX Ext.:
Admin Email:domains@archonconsulting.net
Tech ID:CR33153046
Tech Name:DOMAINS ADMIN
Tech Organization:ARCHON CONSULTING, INC.
Tech Street1:11100 Santa Monica Blvd
Tech Street2:Suite 560
Tech Street3:
Tech City:Los Angeles
Tech State/Province:California
Tech Postal Code:90025
Tech Country:US
Tech Phone:+1.3104786306
Tech Phone Ext.:
Tech FAX:
Tech FAX Ext.:
Tech Email:domains@archonconsulting.net
They better respond when you contact them. Otherwise, you can submit a complaint to ICANN to have the registration invalidated so that you can take it back.