diff --git a/t/25_baseline_starttls.t b/t/25_baseline_starttls.t
index 0179e4a..18c9e27 100755
--- a/t/25_baseline_starttls.t
+++ b/t/25_baseline_starttls.t
@@ -99,6 +99,14 @@ $openssl_out = `./testssl.sh --ssl-native $check2run -t xmpp $uri 2>&1`;
 unlike($openssl_out, qr/$openssl_regex_bl/, "");
 $tests++;
 
+uri="jabber.ccc.de:5269"
+printf "\n%s\n", "Quick STARTTLS XMPP S2S unit tests via sockets --> $uri ...";
+$openssl_out = `./testssl.sh --openssl=/usr/bin/openssl -p $check2run -t xmpp-server $uri 2>&1`;
+# $openssl_json = json('tmp.json');
+unlike($openssl_out, qr/$openssl_regex_bl/, "");
+$tests++;
+
+
 
 $uri="ldap.uni-rostock.de:21";