<p>Janet uses the Posix C function <code class="mendoza-code">getaddrinfo</code> to look up IP addresses from domain names.
This is currently a blocking operation which can be bad in highly concurrent applications.
However, this also affords us access to various features supported by the operating system like
easy and cross platform IPv4, IPv6, and unix domain socket support.
</p>
<p>Functions that do DNS will usually take host and port arguments, where host is a host address and
port further specifies the 