I am using the trial that railway offers, so far I really liked the service they provide and how easy it was to implement everything

but I have the problem that the SSL says it is invalid, I have the DNS with another provider, and they tell me that the problem is with the hosting

I don't know what to do anymore, I'm afraid this may be a limitation to continue using this hosting service

the domain that I have the problem is

https://chusteayuda.com/

I don't know if anyone can help me, thank you