Suggestions: 1. Enable whois privacy via Gandi 2. Hide your server IPs behind Cloudflare 3. Ensure the site is written such that it is trivial for yourself and others to use alternate domain names
Is old whois data cached? If you launch without whois privacy and turn it on later, can someone go back in history and still find the registrant? As a side note, maybe someone like archive.org should keep time series whois data...
Yes, there are some services which offer this, e.g.: