Namecheap is experiencing a widespread outage after a power failure affected its Phoenix data center.
Namecheap.com is under emergency maintenance, while Shared, VPS and Dedicated hosting servers are reporting network issues. If your WordPress website is currently unreachable, the problem is likely on Namecheap’s side.
Namecheap private email is also down and all other services provided by them…
No recovery ETA has been announced yet.
If interested in this: Follow the official Namecheap status updates