# Bind9' doh & traefik - curl: (6) Couldn't resolve host name **URL:** \ **Category:** Traefik v3 (latest)\ **Tags:** docker\ **Created:** [October 4, 2024, 2:03am UTC](https://community.traefik.io/t/bind9-doh-traefik-curl-6-couldnt-resolve-host-name/24661 "2024-10-04T02:03:52Z")\ **Posts on this page:** 1\ **Showing post:** 4
**Author:** ![alexus](https://sea2.discourse-cdn.com/flex020/user_avatar/community.traefik.io/alexus/32/5597_2.png) [@alexus](https://community.traefik.io/u/alexus)\ **Post date:** [November 13, 2024, 10:34pm UTC](https://community.traefik.io/t/bind9-doh-traefik-curl-6-couldnt-resolve-host-name/24661/4 "2024-11-13T22:34:03Z")
> [@Proxy.go:100 \> 500 Internal Server Error error="tls: failed to verify certificate: x509: certificate is valid for 0.0.0.0, not 172.28.0.10"](https://community.traefik.io/t/proxy-go-100-500-internal-server-error-error-tls-failed-to-verify-certificate-x509-certificate-is-valid-for-0-0-0-0-not-172-28-0-10/22562/1): > > hello world wink i'm using traefik 3.0.0 and trying to proxy connections to my ssl enabled backend and seeing following message in traefik debug log: traefik | 2024-05-03T02:42:08Z DBG [github.com/traefik/traefik/v3/pkg/server/service/proxy.go:100](http://github.com/traefik/traefik/v3/pkg/server/service/proxy.go:100) \> 500 Internal Server Error error="tls: failed to verify certificate: x509: certificate is valid for 0.0.0.0, not 172.28.0.10" 172.28.0.10 is IP address of my container that's running webserver with SSL # docker exec -it traefik sh / # a… with a bit from previous thread, i was able to solve my issue 😉 --- _[View the full topic](https://community.traefik.io/t/bind9-doh-traefik-curl-6-couldnt-resolve-host-name/24661)._