Prime Strategy

<p>This plugin rewrite “wp-config.php” to enable access multiple domain.<br />
It will be great help to link check of your WordPress site or mirroring for test.</p>
<h4>Functions</h4>
<ul>
<li>Rewrite “wp-config.php” automatilally.</li>
<li>Enable multi domain access on demand.</li>
</ul>
<h4>Version History</h4>
<ul>
<li><strong>0.8.0</strong>
<ul>
<li>Public release</li>
</ul>
</li>
</ul>
<h3>Links</h3>
<p>“<a href="http://www.web-strategy.jp/" title="CMS service with WordPress" rel="nofollow ugc">CMS service with WordPress</a>” provides you service that uses WordPress as a CMS.</p>
<h3>Special Thanks</h3>
<p>Translation:<a href="http://blog.dacelo.info/" title="Translation" rel="nofollow ugc">dacelo</a></p>


PS WP Multi Domain

Nerd Warehouse

<p>Allow users to check domain name availability directly from your website.  Availability is shown without redirecting users.  With the use of widgets you can add the domain search to multiple locations on your website.  You can also quickly check domain availability yourself using the admin dashboard widget.  This plugin is multisite compatible and free.</p>
<p>WordPress Domain Search is powered by <a href="http://www.nerdwarehouse.com/" title="Best WordPress Hosting" rel="nofollow ugc">NerdWarehouse.com</a>.  Nerd Warehouse is a low-cost domain registrar and hosting provider that specializes in <a href="https://www.nerdwarehouse.com/products/wordpress" rel="nofollow ugc">WordPress Hosting</a>.  Data centers in the United States, Europe, and the Asian-Pacific support our massive cloud hosting network and we offer localized 24/7 phone support.</p>


WordPress Domain Search

This plugin allows you to create domain search widgets and check domain availability from the admin dashboard.

PS WP Multi Domain vs WordPress Domain Search