MAX BR1 LTE - webpage does not open/ping tracert good



we are testing the Pepwave Max BR LTE E T as least cost routing solution for oceangoing vessels.

Priority 1: is cellular connection with SIM Card from VODAFONE Germany

Priority 2: is a fleet broadband (maritime internet solution of satellite connection)

According to the Dashboard we are connected to Vodafone 3G

The following is working OK:
ping web adresses like ""
tracert is working with web adresses like “

But if we want to open the webpage to display it in a browser we do not get is displayed.
Using the Fleetbroadband connection everything is working good and we get the webpage displayed.

Does somebody has an Idea?

We tried to select several options for DNS (incl. entering the public google DNS server in the computer)