The file looks correct assuming the IPs are right. I always add a comma between the IPs after dns-nameservers. You could try the Google nameservers of 188.8.131.52, 184.108.40.206
You can try this:
... and on some Zoneminder installs when moving the hard drive to a new physical CPU I have had problems get the "new" network cards to work properly and find that if I delete the /etc/udev/rules.d/70-persistent-net.rules and then power down (not restart) the system the two cars are then detected as eth0 and eth1. I know that this is not the specific thing you face but that file seems to have some hold-over on the interfaces configutation.
Please repost what you find.