How to track adsense cheque without DHL tracking number

For those who are used to receiving their Google adsense cheques through DHL, here is an easy way to do it assuming you don't have the tracking number from Google yet but only the payment number.

There's a way you can do that without using the tracking number.
Just log into your Google adsense account and then Go to My account-->Payment History-->Then details on payment issued

On the payment issued page go to the Payment number row and you will see a set of numbers. You can use that as the reference number and wit it you will be able to track your adsense cheque.
Use the payment number as the reference number and go to http://www.dhl-usa.com/en/express/tracking/shippers_reference.html and enter these details only:
Reference
Shipment date

You will be able to know the current status of the cheque from there