IDN compatibility requirements for applications

Applications must be IDN-compliant in order to work with internationalized domain names. The following sections lists some of the applications that are IDN-compliant along with their requirements.

- Important: If your application is not IDN-compliant, you must use the ASCII-encoded representation of the domain name to access the domain. To view the ASCII-encoded representation, click the link show text name next to the IDN.
  If you are using the Microsoft® Windows platform, you will need to install native fonts on your system to ensure that the non-ASCII characters are rendered correctly.

# Web browsers

The following section lists the browser requirements.

- Microsoft Internet Explorer

Platform: Windows

Version: Internet Explorer 5.0 and higher

Plug-ins: i-Nav™

- Netscape Navigator

Platform: Windows, Mac OS X, Linux®

Version: 7.1 and higher

- Mozilla

Platform: Windows, Mac OS X, Linux

Version: 1.4 and higher

# Email clients

The following section lists the application requirements for email clients.

Microsoft Outlook

Platform: Windows

Version: Microsoft Outlook 2000, 2002 (XP), 2003; Outlook Express 5.0 and higher

Plug-ins: i-Nav™

# FTP clients

The following section lists the application requirements for FTP clients.

Secure FTP

Platform: Windows

Version: 4.0.2004 and higher

Core FTP

Platform: Windows

Version: Pro 1.3 and higher

# Telnet / SSH clients

The following section lists the application requirements for Telnet/SSH clients.

Absolute Telnet

Platform: Windows

Version: 3.13 and higher

For a comprehensive list of IDN-compliant applications, please visit http://www.verisign.com/products-services/naming-and-directory-services/naming-services/internationalized-domain-names/page_002201.html.