google/nomulus

Health v2 · maintenance only

Adoption not part of the score

1806 stars · 301 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Nomulus is an open-source, scalable, cloud-based top-level domain (TLD) registry service written in Java and running on Google Kubernetes Engine. It is the authoritative system for tracking domain ownership and handling registrations, renewals, availability checks, and RDAP requests, and powers Google Registry's TLDs like .app and .dev.

Use cases

• run a top-level domain registry
• operate multiple TLDs in one shared registry system
• implement EPP domain provisioning
• serve RDAP domain registration data
• track domain name ownership and renewals
• launch a new gTLD with ICANN compliance

When to choose

• you are an ICANN-accredited registry operator running one or more TLDs
• you need a proven, horizontally scalable registry on Google Cloud
• you want an open-source alternative to proprietary registry software
• you need EPP and RDAP support out of the box

When to avoid

• you just want to register or manage a few domains as a customer
• you need a simple DNS server rather than a full registry system
• you are not prepared to operate infrastructure on Google Cloud Platform
• you need a lightweight registrar-side tool rather than registry software

Facets

service · maturity active

http-server api-framework database security deployment developer-tools web-development infrastructure-as-code cloud-computing apis self-hosted networking jvm cloud domain-registry tld epp rdap dns icann registrar google-cloud kubernetes docker linux

Member repositories

For agents

markdown · JSON · MCP: product_card(name="google/nomulus")