No worry, you can directly contact the courier company as below, the courier company will help you to investigate:
Email :care@pos.com.my
Website :PosLaju assistance
Email :cs-ecom.my-dom@dhl.com
Website :DHL eCommerce
Phone Number : 603 3099 2800
Mon-Fri : 9am-6pm, except public holidays.
WhatsApp Us at 011-5356 2257