We can’t help if your site goes down due to something you did while working on it e.g. adding incorrect code or making some other customisation.
We also can’t help if your site is taken down due to a billing or subscription issue on your end e.g. with your domain, web or email host.
We can’t help if you alter your DNS or add incorrect DNS. Your domain, web or email host should be able to help with this.
There are other issues that in general, maintenance plans can’t always respond to. These may include: services failures of third party services, such as API’s, servers and libraries, denial of service attacks, unauthorised access to your site, servers or systems, ransom.