curl https://mhc:6443/api --cacert ssl/ca.crt --key client_ssl/cs_client.key --cert client_ssl/cs_client.crt

{
  "kind": "APIVersions",
  "versions": [
    "v1"
  ],
  "serverAddressByClientCIDRs": [
    {
      "clientCIDR": "0.0.0.0/0",
      "serverAddress": "109.105.4.65:6443"
    }
  ]
}