---
title: "Rdds OptIn constants"
url: "https://help.internetx.com/en/api/core-rdds-optin-constants/"
lang: "en"
section: "API reference — API reference (XML/JSON)"
breadcrumb: "API documentation (JSON/XML) > Enums and constants"
updated: "2023-09-26"
---

# Rdds OptIn constants

## Description

Information to be displayed in the Whois. Currently only NOT\_SET and ALL are supported.

## Possible values

-   NOT\_SET = No information is displayed (default).
    
-   ALL = All information is displayed.
    
-   OWNERC = The domain holder is displayed.
    
-   ADMINC = The administrative contact is displayed.
    
-   OWNERC\_ADMINC = Domain holder and administrative contact are displayed.
    
-   TECHC = The technical contact is displayed.
    
-   OWNERC\_TECHC = The domain owner and the technical contact are displayed.
    
-   ADMINC\_TECHC = The administrative contact and the technical contact are displayed.