# YandexBot

> Yandex's search crawler, which also feeds Alice and Yandex's generative answers.

| field | value |
|---|---|
| operator | Yandex |
| category | Search engines |
| robots.txt token | `YandexBot` |
| user-agent contains | `YandexBot` |
| robots.txt | obeys robots.txt (documented) |
| verify by | reverse DNS |
| published IP ranges | none published |
| prefixes mirrored | 0 IPv4 / 0 IPv6 |
| operator docs | https://yandex.com/support/webmaster/robot-workings/check-yandex-robots.html |
| last reviewed | 2026-09-01 |

## What blocking it costs you

Removal from Yandex Search. Verify with reverse DNS to a yandex.ru, yandex.net or yandex.com host — YandexBot is among the most-spoofed user-agents there is.

## Full user-agent string

```
Mozilla/5.0 (compatible; YandexBot/3.0; +http://yandex.com/bots)
```

## Block it

```
User-agent: YandexBot
Disallow: /
```

## Allow it

```
User-agent: YandexBot
Allow: /
```

JSON: https://www.pathwren.workers.dev/crawler/yandexbot.json · index: https://www.pathwren.workers.dev/llms.txt