TLD

The Twitter handle TLD is

export const TWITTER_ROOT_PARENT_REGISTRY_KEY = new PublicKey(
  "4YcexoW3r78zz16J2aqmukBLRwGq6rAvWzJpkYAXqebv"
);

The .twitter TLD is owned by the root TLD and all twitter handles are subdomains of the .twitter TLD