What is port 53 for?

[1668]

Normally, What is port 53 for?

Thanks

[cchooper]

Dns.

[1668]

Is there a risk being hack by using this port?

[cyberskye]

Is there a risk being hack by using this port?

What are you using it for - a port is only 'open' if a service is listening on it. IF you aren't running any sw that binds to port 53 there is no way to access it.