ICANN Publishes New Root Zone Label Generation Rules for IDNs

• •ICANN released RZ-LGR-6 on October 26, 2026, for IDN TLDs.
• •The new rules cover 27 scripts, enhancing multilingual Internet support.
• •ICANN urges policy development for managing IDN variant TLDs.

On October 26, 2026, ICANN published the Root Zone Label Generation Rules Version 6 (RZ-LGR-6), which defines the variant labels for top-level domains (TLDs) in various scripts including Arabic, Chinese, and Cyrillic. This update aims to enhance the stability and security of Internationalized Domain Names (IDNs) by providing a community-driven framework for their implementation. The ICANN Board has requested that the ccNSO and GNSO consider these recommendations in their policy development for managing IDN variant TLDs. The RZ-LGR-6 covers 27 scripts and is intended to support the growth of a multilingual Internet. The publication is part of ICANN's ongoing IDN Program, which promotes the use of local languages and scripts in domain names. No specific vulnerabilities or exploitation events were reported in relation to this publication.