Many GNU Social servers are hosted by individual users. In this case, it looks like the admin got a certificate from Let's Encrypt for "vinilox.eu", and then tr

Many GNU Social servers are hosted by individual users. In this case, it looks like the admin got a certificate from Let's Encrypt for "vinilox.eu", and then tried to use it on "micro.vinilox.eu". It doesn't necessarily mean that the site is not trustworthy.