setting up dwarfpool with nicehash.

Hello miners,

I am trying to setup dwarf pool to work when I buy hashing power from nicehash. First of all, I want to mine zcash.

I go into the nicehash pool setting and used the pool verification,
but for some reason i get strange error.

Pool host: zec-cn1.dwarfpool.com
Pool port: 3333
Pool user: t1WDxskY8fJ6bGf3UmtBkU9yquFGLeNGh2a
Pool pass: yy
Algorithm: Equihash

Resolving pool host zec-cn1.dwarfpool.com... OK
Establishing connection with proxy... OK
Establishing connection with pool 139.224.208.30:3333... Error: Read timed out

I tried with all dwarf servers e.g EUROPE, USA and still the same result.

What is causing this Error: Read timed out

P.s Another attempt:

Pool host: zec-eu1.dwarfpool.com
Pool port: 3337
Pool user: t1WDxskY8fJ6bGf3UmtBkU9yquFGLeNGh2a
Pool pass: yy
Algorithm: Equihash

Resolving pool host zec-eu1.dwarfpool.com... OK
Establishing connection with proxy... OK
Establishing connection with pool 91.121.165.60:3337... Error: Read timed out