Dockers Unable to obtain ACME certificate for domains

traefik level=error msg="Unable to obtain ACME certificate for domains \"\": cannot get ACME client get directory at '': Get \"\": dial tcp: lookup on read udp> i/o timeout" rule="Host(``)" providerName=letsencrypt.acme routerName=traefik-secure@docker

Anyone could help me, please?

I did iptables -F and still problem persist, so it is not firewall.

Hello @Gfatarep44

Looks like a local issue for your container/docker it cannot lookup the domain name in the docker dns provider.

Possibly you can resolve this with dns options


Thanks for the reply.

My /etc/resolv.conf file contains this:

What else should I do?