Yes connection appears to work okay
$ curl https://acme-v02.api.letsencrypt.org
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content=
"width=device-width, initial-scale=1">
<title>Boulder: The Let's Encrypt CA</title>
<link href=
"//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/css/bootstrap.min.css"
rel="stylesheet" type="text/css">
<link href=
"//maxcdn.bootstrapcdn.com/font-awesome/4.2.0/css/font-awesome.min.css"
rel="stylesheet" type="text/css">
</head>
<body>
<div class="container-fluid">
<div class="row">
<div class="col-xs-6 text-right">
<p style="font-size: 90px;">
<i class="fa fa-barcode"></i></p>
</div>
<div class="col-xs-6 text-left">
<h1>Boulder<br>
<small>The Let's Encrypt CA</small></h1>
</div>
</div>
<div class="row">
<div class="col-xs-8 col-xs-offset-2 text-center">
<h3>This is an <a href="https://github.com/letsencrypt/acme-spec/">ACME</a> Certificate Authority running <
a href="https://github.com/letsencrypt/boulder">Boulder</a>.</h3>
<p>This is a <em>programmatic</em> endpoint, an API for a computer to talk to. You should probably be using
a specialized client to utilize the service, and not your web browser. See <a href="https://letsencrypt.org/"><tt>
https://letsencrypt.org/</tt></a> for help.</p>
<p>If you're trying to use this service, note that the starting point, <em>the directory</em>, is available