Identity: Verifiable by reverse DNS.
How to recognise it
- Reverse DNS ends in
yandex.ru,yandex.net,yandex.com(then forward-confirm)
With Double Agent
Sessions from YandexAdditional are labelled bot with agent_id: yandex.additional, and tagged in your analytics. Nothing is blocked unless you choose to. Install: https://doubleagent.so/install.md
Source: https://github.com/ai-robots-txt/ai.robots.txt