Normálně rozchodím SSL se self-signed certifikátem, nainstaluji balík letsencrypt, spustím průvodce letsencrypt, zadám všechna doménová jména, pro které chci certifikát, a pak to skončí na tom, že
Kód: Vybrat vše
IMPORTANT NOTES:
 - The following errors were reported by the server:
   Domain: host1.***
   Type:   tls
   Detail: Failed to connect to host for DVSNI challenge
   Domain: host2.***
   Type:   tls
   Detail: Failed to connect to host for DVSNI challenge
   To fix these errors, please make sure that your domain name was
   entered correctly and the DNS A record(s) for that domain
   contain(s) the right IP address. Additionally, please check that
   you have an up-to-date TLS configuration that allows the server to
   communicate with the Let's Encrypt client.
 - The following errors were reported by the server:
   Domain: ipv6.host1.***
   Type:   unknownHost
   Detail: No IPv4 addresses found for ipv6.host1.***
   To fix these errors, please make sure that your domain name was
   entered correctly and the DNS A record(s) for that domain
   contain(s) the right IP address.
https://github.com/letsencrypt/letsencrypt/issues/180
Co s tím? TIA.

