static {
Hashtable<String, String> env = new Hashtable<String, String>();
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.dns.DnsContextFactory");
static {
Hashtable<String, String> env = new Hashtable<String, String>();
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.dns.DnsContextFactory");
env.put(Context.AUTHORITATIVE, "true");
env.put(Context.PROVIDER_URL, "dns://" + server);
InitialDirContext context = new InitialDirContext(env);
env.put(Context.AUTHORITATIVE, "true");
env.put(Context.PROVIDER_URL, "dns://" + server);
InitialDirContext context = new InitialDirContext(env);