S茅bastien G. no easy workaround no, but there is one. I asked Claude to confirm an idea I had which was to use a Cloudflare proxy and it confirmed that it would be possible.
If this is an option you want to explore - let me know where your current DNS is for the domain and let me know what the domain is, and I can draft a step by step guide, so you can see what you are getting yourself into and whether its worth it or not.
I also pinged our code base to see if adding bulk redirects as a tool to the MCP would be possible and it does look like it is - so we'd need to build that, and I'm not sure when/if we would, so that's an open question for engineering.