October 2024
Intermediate to advanced
206 pages
5h 32m
Spanish
Content preview from Aprender CoreDNS
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Capítulo 2. Un repaso al DNS
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Hasta ahora, hemos hablado de cuestiones prácticas como qué es CoreDNS, para qué sirve (en relación con la funcionalidad DNS) y para qué no sirve. Por supuesto, esa discusión ha tenido que incluir algo de terminología DNS, terminología con la que, para ser justos, no todo el mundo está familiarizado.
Deliberamos durante un tiempo sobre cuánta teoría DNS incluir en este libro. Podríamos, por supuesto, "Empezar por el principio y seguir hasta... el final, y luego parar", pero eso ya se ha hecho en otros libros, incluidos libros que hemos escrito nosotros. Aun así, no me parecía justo enviarte al mundo sin al menos una base de DNS.
Nuestro compromiso es intentar ofrecerte la teoría del DNS suficiente para que te desenvuelvas, y luego dirigirte, por ejemplo, a DNS y BIND si estás interesado en más detalles. (Esperamos no parecer demasiado interesados).
¿Qué es el Sistema de Nombres de Dominio?
El DNS es un sistema de nomenclatura que asigna nombres a otros datos, como direcciones IP, información de enrutamiento de correo y más. Y el DNS no es un sistema de nombres cualquiera: es el sistema de nombres estándar de Internet, así como una de las mayores bases de datos distribuidas del mundo.
El DNS también es un sistema cliente-servidor, en el que los clientes DNS consultan a los servidores DNS para recuperar los datos almacenados en esa base ...
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