There can be instances where you might find that a hostname may have changed IP on the network, but SSL-Explorer is still pointing at its old IP address.

 Java by default caches DNS queries for a period of time, so if this has become an issue, you can disable Java from caching any DNS queries altogether.

To do this, edit the sslexplorer/conf/wrapper.conf file.

You may already find a wrapper.java.additional.1= line. If so, then create these 2 lines:

wrapper.java.additional.2=-Dsun.net.inetaddr.ttl=0
wrapper.java.additional.3=-Dsun.net.inetaddr.negative.ttl

Save the file and restart the SSL-Explorer server.