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multiple dns challenge methods? #136

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opened 2026-08-27 02:26:41 +00:00 by ammaratef45 · 2 comments
ammaratef45 commented 2026-08-27 02:26:41 +00:00
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If I'm using a single swarm box to manage apps on 2 different domains, if the 2 domains are not able to be verified using the same dns challenge method, what else could one do?

this is a feature request/question if something like that would be possible?

If I'm using a single swarm box to manage apps on 2 different domains, if the 2 domains are not able to be verified using the same dns challenge method, what else could one do? this is a feature request/question if something like that would be possible?
p4u1 commented 2026-09-02 16:19:43 +00:00
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I think this might be possible by adding another certresolver:

traefik/traefik.yml.tmpl Line 151 in e6ba592774
certificatesResolvers:

I think this might be possible by adding another certresolver: https://git.coopcloud.tech/coop-cloud/traefik/src/commit/e6ba592774c72367aff77a22b37a9e1f03d84e45/traefik.yml.tmpl#L151
p4u1 added the question label 2026-09-02 16:20:53 +00:00
ammaratef45 commented 2026-09-02 22:39:29 +00:00
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I think this might be possible by adding another certresolver:

traefik/traefik.yml.tmpl Line 151 in e6ba592774
certificatesResolvers:

I also stumbled upon this but haven't tested it yet

Multiple DNS challenge provider are not supported with Traefik, but you can use CNAME to handle that. For example, if you have example.org (account foo) and example.com (account bar) you can create a CNAME on example.org called _acme-challenge.example.org pointing to challenge.example.com. This way, you can obtain certificates for example.org with the bar account.

> I think this might be possible by adding another certresolver: https://git.coopcloud.tech/coop-cloud/traefik/src/commit/e6ba592774c72367aff77a22b37a9e1f03d84e45/traefik.yml.tmpl#L151 I also stumbled upon [this](https://doc.traefik.io/traefik/reference/install-configuration/tls/certificate-resolvers/acme/#dnschallenge) but haven't tested it yet > Multiple DNS challenge provider are not supported with Traefik, but you can use CNAME to handle that. For example, if you have example.org (account foo) and example.com (account bar) you can create a CNAME on example.org called _acme-challenge.example.org pointing to challenge.example.com. This way, you can obtain certificates for example.org with the bar account.
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Reference: coop-cloud/traefik#136