Domain Masking for Google Sites

I'm looking for an expert to help mask my Google Sites URL with my domains from GoDaddy and Network Solutions. The consultant will guide me via screen sharing to ensure the process is done correctly.

Requirements:
- Experience with GoDaddy and Network Solutions
- Knowledge of Google Sites
- Ability to mask URLs, not just redirect

Ideal Skills:
- Domain management
- Website configuration
- Attention to detail

Please provide a brief overview of your experience and approach.