Returns expiring domains list.
Sample Request Request Parameters <namesilo>
<request>
<operation>listExpiringDomains</operation>
<ip>10.10.11.1</ip>
</request>
<reply>
<code>300</code>
<detail>success</detail>
<body>
<entry>
<id>7</id>
<domain>tester7.ca</domain>
<createdOn>2020-09-21</createdOn>
<expiresOn>2020-11-21</expiresOn>
<status>1</status>
<nsServers/>
</entry>
<entry>
<id>8</id>
<domain>tester8.ca</domain>
<createdOn>2020-09-21</createdOn>
<expiresOn>2020-10-21</expiresOn>
<status>1</status>
<nsServers/>
</entry>
</body>
</reply>
</namesilo>