DuckAssistBot (DuckDuckGo)
Búsqueda con IA · Versión actual 1.2
Qué es
DuckAssistBot rastrea páginas en tiempo real para las respuestas asistidas por IA de DuckDuckGo, que citan sus fuentes. Según DuckDuckGo, esos datos no se usan para entrenar modelos de IA, y excluirte no afecta a tu posicionamiento orgánico ni a tu presencia en sus resultados.
Documentación oficial: duckduckgo.com · comprobado el 13 nov 2026
User agent de DuckAssistBot
DuckAssistBot/1.2; (+http://duckduckgo.com/duckassistbot.html)Documentación oficial: duckduckgo.com/duckduckgo-help-pages/results/duckassistbot · comprobado el 13 nov 2026
Bloquear o permitir DuckAssistBot en robots.txt
Pon estas líneas al principio del archivo robots.txt en la raíz de tu sitio (example.com/robots.txt). Cada subdominio necesita su propio archivo.
Bloquear DuckAssistBot en todo el sitio
User-agent: DuckAssistBot
Disallow: /
Permitir DuckAssistBot
User-agent: DuckAssistBot
Allow: /
# repite aquí las líneas Disallow de tu grupo User-agent: *
Si DuckAssistBot no aparece en robots.txt, ya sigue tus reglas de User-agent: * y no hace falta nada más. Un grupo propio sustituye por completo al grupo * para este bot: si lo añades, repite en él tus líneas Disallow generales.
- DuckDuckGo indica que un cambio en robots.txt se aplica a las 72 horas.
Rangos de IP de DuckAssistBot
duckduckgo.com/duckassistbot.json
Lista oficial: 486 rangos · publicada por el dueño el 1 sept 2026 · comprobada por nosotros el 13 nov 2026
Comprueba una IP de tus registros
Ver los 486
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¿Respeta robots.txt y Crawl-delay?
robots.txt: sí, DuckAssistBot lo respeta según su dueño.
“Once you’ve updated the file to disallow the DuckAssistBot user agent, the change will take effect after 72 hours and DuckAssistBot will stop crawling your site.” — documentación de DuckDuckGo
Crawl-delay: la documentación del dueño no lo menciona para DuckAssistBot, así que no cuentes con él.
¿Conviene bloquear DuckAssistBot?
Piénsalo dos veces. DuckAssistBot es la forma en que la búsqueda con IA de DuckDuckGo encuentra tus páginas; si lo bloqueas, tu sitio puede desaparecer de sus respuestas y enlaces. Si lo que te preocupa es el entrenamiento, bloquea el bot de entrenamiento.
Revisa tu sitio
Comprueba si tu robots.txt y tu cortafuegos dejan pasar a DuckAssistBot, junto con todos los demás bots de IA de este directorio. Gratis y sin registro.
Preguntas
¿Cuál es el user agent de DuckAssistBot?+
DuckDuckGo lo documenta así: DuckAssistBot/1.2; (+http://duckduckgo.com/duckassistbot.html)
¿Cómo bloqueo DuckAssistBot en robots.txt?+
Añade un grupo para él en el robots.txt de la raíz de tu sitio: «User-agent: DuckAssistBot» seguido de «Disallow: /».
¿Qué direcciones IP usa DuckAssistBot?+
DuckDuckGo publica 486 rangos en https://duckduckgo.com/duckassistbot.json. Si una petición que dice ser DuckAssistBot llega desde otra dirección, lo más probable es que sea falsa.
¿DuckAssistBot respeta robots.txt?+
robots.txt: sí, DuckAssistBot lo respeta según su dueño.