Hetzner will host sslip.io

- cert is from LetsEncrypt
- Hetzner already "owns" the IPv6 version
- For simplicity, it should also own IPv4

This marks a milestone in the sslip.io; its original purpose was to use
a wildcard certificate, and now we're hosting the domain using a
LetsEncrypt certificate. My, how the world has changed.

document_root/index.html

@@ -52,7 +52,7 @@ src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script> <![endif]-->
       <p><em>sslip.io</em> is a DNS (<a href="https://en.wikipedia.org/wiki/Domain_Name_System">Domain Name System</a>)
       service that, when queried with a hostname with an embedded IP address, returns that IP Address. It was inspired
       by and uses much of the code of <a href="http://xip.io">xip.io</a>, which was created by <a href=
-      "https://github.com/sstephenson">Sam Stephenson</a></p>
+      "https://github.com/sstephenson">Sam Stephenson</a>.</p>
       <p>Here are some examples:</p>
       <table class="table">
         <thead>