Can I use a VPN to access my account?

No you can't use a VPN.

The use of a VPN is prohibited when using the BETDAQ site, using a VPN will be detected by our system and your ability to use your BETDAQ account will be restricted.

Why is this?

This is due to our betting licence and only members from countries on our accepted countries list can access their BETDAQ account.

You can find the accepted countries list here.