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Using domain alias #418

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opened 2025-12-29 01:24:50 +01:00 by adam · 4 comments
adam commented 2025-12-29 01:24:50 +01:00
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Originally created by @astorath on GitHub (Jul 18, 2019).

Hi!

How can I use domain/challenge alias with dehydrated? Have found nothing in docs about that...

Originally created by @astorath on GitHub (Jul 18, 2019). Hi! How can I use domain/challenge alias with dehydrated? Have found nothing in docs about that...
adam closed this issue 2025-12-29 01:24:50 +01:00
adam commented 2025-12-29 01:24:51 +01:00
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@jobe1986 commented on GitHub (Jul 18, 2019):

Could you elaborate as to what you mean by domain/challenge alias?

The reason I ask is the terminology you used can have multiple different meanings.

Either way, if you mean CNAME records, then yes Let's Encrypt's dns-01 validation will follow CNAME records. I for example use _acme-challenge. CNAME'ed to _acme-challenge.. so I keep all my dynamic DNS under a single domain name.

@jobe1986 commented on GitHub (Jul 18, 2019): Could you elaborate as to what you mean by domain/challenge alias? The reason I ask is the terminology you used can have multiple different meanings. Either way, if you mean CNAME records, then yes Let's Encrypt's dns-01 validation will follow CNAME records. I for example use _acme-challenge.<domain> CNAME'ed to _acme-challenge.<domain>.<dynamicdnsdomain> so I keep all my dynamic DNS under a single domain name.
adam commented 2025-12-29 01:24:51 +01:00
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@astorath commented on GitHub (Jul 18, 2019):

@jobe1986, yep, I mean CNAME records.

How do you setup dehydrated then? Where should I put alias domain (the one dehydrated will use to setup challenges)?

@astorath commented on GitHub (Jul 18, 2019): @jobe1986, yep, I mean CNAME records. How do you setup dehydrated then? Where should I put alias domain (the one dehydrated will use to setup challenges)?
adam commented 2025-12-29 01:24:52 +01:00
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@jobe1986 commented on GitHub (Jul 18, 2019):

That would have to be accounted for by your custom hook script that handles the dynamic DNS updates, as to how exactly that really depends on which hook script you use, and I only have experience using the basic nsupdate based hook script.

@jobe1986 commented on GitHub (Jul 18, 2019): That would have to be accounted for by your custom hook script that handles the dynamic DNS updates, as to how exactly that really depends on which hook script you use, and I only have experience using the basic nsupdate based hook script.
adam commented 2025-12-29 01:24:52 +01:00
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@astorath commented on GitHub (Jul 18, 2019):

I see, thanks

@astorath commented on GitHub (Jul 18, 2019): I see, thanks
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Reference: starred/dehydrated#418