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Comments (5)

ldez avatar ldez commented on June 6, 2024

Hello,

the error is not related to the API but to DNS calls.
SERVFAIL means that the DNS call (SOA) fails, probably related to a problem with your nameservers.
the error occurs when a DNS resolver fails to obtain a valid response from the Authoritative DNS server for a particular domain.

It's not a problem with lego or the DNS provider but with your local environment, you have to check your local DNS configuration.

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davidwinter avatar davidwinter commented on June 6, 2024

Interesting... I just appear to be using Cloudflare's DNS:

image

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davidwinter avatar davidwinter commented on June 6, 2024

Ah I think this is to do with the docker container DNS itself... not being able to query outside of it. Just need to figure a way to set the container to use a different DNS, like Cloudflare/Google I imagine... 🤔

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davidwinter avatar davidwinter commented on June 6, 2024

Adding the following DNS servers has resolved this situation for me:

- "--certificatesresolvers.myresolver.acme.dnschallenge.resolvers=1.1.1.1:53"
- "--certificatesresolvers.myresolver.acme.dnschallenge.resolvers=8.8.8.8:53"

So the entire Traefik configuration is as follows:

services:
  reverse-proxy:
    image: traefik:v2.10
    command:
      - "--log.level=DEBUG"
      - "--api.insecure=true"
      - "--providers.docker=true"
      - "--providers.docker.exposedbydefault=false"
      - "--entrypoints.web.address=:80"
      - "--entrypoints.websecure.address=:443"
      - "--certificatesresolvers.myresolver.acme.dnschallenge=true"
      - "--certificatesresolvers.myresolver.acme.dnschallenge.provider=vercel"
      - "[email protected]"
      - "--certificatesresolvers.myresolver.acme.storage=/letsencrypt/acme.json"
      - "--certificatesresolvers.myresolver.acme.dnschallenge.resolvers=1.1.1.1:53"
      - "--certificatesresolvers.myresolver.acme.dnschallenge.resolvers=8.8.8.8:53"

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ldez avatar ldez commented on June 6, 2024

Your configuration is not valid:

- "--certificatesresolvers.myresolver.acme.dnschallenge.resolvers=1.1.1.1:53"
- "--certificatesresolvers.myresolver.acme.dnschallenge.resolvers=8.8.8.8:53"

This is a valid config:

- "--certificatesresolvers.myresolver.acme.dnschallenge.resolvers=1.1.1.1:53,8.8.8.8:53"

https://doc.traefik.io/traefik/https/acme/#resolvers

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