Bitcoin doesn't have master nodes. Are you referring to Dash, or something else? Try asking on a Dash forum such as
https://www.dash.org/forum/Odolvlobo is correct, and while people on this forum might be able to help you with an Altcoin anyways, you might want to mention which Altcoin you are talking about.
Also, maybe post it here for a quicker response:
https://bitcointalk.org/index.php?board=67.0