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DDNS + Namecheap + Letsencrypt (wildcard)

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My current setup:
  • Asus router RT-AX88U
  • Merlin installed
  • NameCheap domain
  • Dynamic IP
  • DDSN configuration with NameCheap (working)
  • Obtain *.home.domain.tld certificate
  • Configure nginx reverse proxy + HTTPS for multiple

In NameCheap I have configured both home and *.home as A + Dynamic DNS Record .
In Asus Merlin UI -> WAN -> DDNS I have set Server: NAMECHEAP.COM, Hostname: home.domain.tld, Domain Name: *.home.domain.tld and Enable wildcard: Yes.

Everything seems to be working, but the certificate generated is only issued to CN: home.domain.tld. Isn't that Enable wildcard options exactly for issuing wildcard certificate? Have anyone managed to issue such certificate?

I have also tried copying /etc/inadyn.conf to /jffs/configs/inadyn.conf changing the hostname to

hostname = { 'home.domain.tld', '*.home.domain.tld' }

as described in the in-a-dyn docs but it doesn't seem to have an effect on the letsencrypt certificate request
Last edited:

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