Dipartner.com has an SSL certificate but this does not guarantee that Dipartner.com is 100% legitimate.
You should only perform online purchases with websites that have a SSL certificate (padlock shown in the address bar).
Domain trust report for Dipartner.com:
Dipartner.com was first registered 5 years 202 days ago.
Dipartner.com has some age to the domain name which is a good sign.
Domain age: Few years old