De or het internetbestelling?

The correct Dutch article is:

de internetbestelling

Rule Words ending in -ing: almost always de. See the rule

How to use internetbestelling

the internetbestellingde internetbestelling
this internetbestellingdeze internetbestelling
that internetbestellingdie internetbestelling
our internetbestellingonze internetbestelling
your internetbestellingjouw internetbestelling
every internetbestellingelke internetbestelling
which internetbestelling?welke internetbestelling?
a big internetbestelling / the big internetbestellingeen grote internetbestelling, de grote internetbestelling