Letsencrypt Wildcard Certificate

General questions technical questions general questions what services does lets encrypt offer.
Letsencrypt wildcard certificate. For wildcard certificates the only challenge method lets encrypt accepts is the dns challenge. Wildcard certificates can make certificate management easier in some cases and we want to address those cases in order to help get the web to 100 https. Our hope is that offering wildcards will help to accelerate the webs progress towards 100 https. We still recommend non wildcard certificates for most use cases.
Lets encrypt will begin issuing wildcard certificates in january of 2018. We let people and organizations around the world obtain renew and manage ssltls certificates. Update january 4 2018 we introduced a public test api endpoint for the acme v2 protocol and wildcard support on january 4 2018. While it is not strictly necessary to have a wildcard certificate it is a lot easier to manage an ase if you do.
Wildcard certificates allow you to secure all subdomains of a domain with a single certificate. Now that lets encrypt will issue a wildcard certificate lets try to do that for an ase. Wildcard certificates are a commonly requested feature and we understand that there are some use cases where they make https deployment easier. Generate the wildcard ssl certificate.
Dec 22 2019 see all documentation this faq is divided into the following sections. Update march 13 2018 wildcard certificate support is live.