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duckdns-updater's Introduction

duckdns-updater

Update the WAN public IP in duckdns.org only if necessary.

  • Check current IP in the DNS in one of the duckdns.org public DNS
    • ns1.duckdns.org ... ns9.duckdns.org
  • Check WAN public IP with a random request to one of the following servers:
    • ifconfig.me
    • ifconfig.co
    • icanhazip.com
    • ipecho.net/plain
    • ipinfo.io/ip
    • api.ipify.org
  • Only if the IP resolved by the DNS and the WAN IP are different, the IP is updated at duckdns domain server
  • After updating the IP, wait a few seconds to verify that it has been updated successfully.

Actualiza IP de la WAN en duckdns.org sólo si es necesario.

  • Verifica IP actual en el DNS en alguno de los DNS públicos de duckdns.org
    • ns1.duckdns.org ... ns9.duckdns.org
  • Verifica IP pública de la WAN con una petición aleatoria a uno de los siguientes servidores:
    • ifconfig.me
    • ifconfig.co
    • icanhazip.com
    • ipecho.net/plain
    • ipinfo.io/ip
    • api.ipify.org
  • Sólo si la IP resuelta por el DNS y la IP de la WAN son diferentes se actualiza la IP para el dominio en duckdns.org
  • Después de actualizar la IP espera unos segundos para verificar que se ha actualizado.

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