[GH-ISSUE #226] How to get subdomains to resolve? #106

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opened 2026-03-13 15:47:44 +03:00 by kerem · 1 comment

kerem commented

2026-03-13 15:47:44 +03:00

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Originally created by @jhollowe on GitHub (Apr 28, 2020).
Original GitHub issue: https://github.com/acme-dns/acme-dns/issues/226

I'm slowly understanding how this all works, but I still can't figure out how to get subdomains to resolve to anything. I have tried including "*.cloud.example.com. CNAME cloud.example.com." in the records in the acme-dns.cfg, but this apparently does not get returned.
How can I actually get any subdomain to resolve. acme-dns is now the authoritative name server for cloud.example.com so I can't just make my main DNS provide the CNAME record.

Originally created by @jhollowe on GitHub (Apr 28, 2020). Original GitHub issue: https://github.com/acme-dns/acme-dns/issues/226 I'm slowly understanding how this all works, but I still can't figure out how to get subdomains to resolve to anything. I have tried including `"*.cloud.example.com. CNAME cloud.example.com."` in the records in the acme-dns.cfg, but this apparently does not get returned. How can I actually get any subdomain to resolve. acme-dns is now the authoritative name server for `cloud.example.com` so I can't just make my main DNS provide the CNAME record.

kerem commented

2026-03-13 15:47:50 +03:00

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@jvanasco commented on GitHub (Jun 9, 2020):

My main DNS service has 2 entries:

Record Type: A
Name: ns.acme-dns[.example.com]
Value: {{IP_ADDRESS}}

Record Type: NS
Name: acme-dns
Value: ns.acme-dns.example.com

My acme-dns config has this:

records = [
    # default A
    "acme-dns.EXAMPLE.COM. A {{IP_ADDRESS}}",

    # A 
    "ns.acme-dns.EXAMPLE.COM. A {{IP_ADDRESS}}",

    # NS
    "acme-dns.EXAMPLE.COM. NS ns.acme-dns.EXAMPLE.COM.",
]

The {{IP_ADDRESS}} is the ip of the service acme-dns is running on.

@jvanasco commented on GitHub (Jun 9, 2020): My main DNS service has 2 entries: ``` Record Type: A Name: ns.acme-dns[.example.com] Value: {{IP_ADDRESS}} Record Type: NS Name: acme-dns Value: ns.acme-dns.example.com ``` My acme-dns config has this: ``` records = [ # default A "acme-dns.EXAMPLE.COM. A {{IP_ADDRESS}}", # A "ns.acme-dns.EXAMPLE.COM. A {{IP_ADDRESS}}", # NS "acme-dns.EXAMPLE.COM. NS ns.acme-dns.EXAMPLE.COM.", ] ``` The `{{IP_ADDRESS}}` is the ip of the service acme-dns is running on.