--- /dev/null	2018-07-25 16:52:56.000000000 +0800
+++ new/test/jdk/com/sun/jndi/dns/ConfigTests/AuthRecursiveBase.java	2018-07-25 16:52:56.000000000 +0800
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import javax.naming.NamingException;
+import javax.naming.directory.Attributes;
+import javax.naming.directory.InitialDirContext;
+
+public abstract class AuthRecursiveBase extends DNSTestBase {
+
+    private static final String KEY = "host1";
+    private static final String[] MANDATORY_ATTRIBUTES = { "A", "MX", "HINFO",
+            "TXT", "29" };
+    private static final String[] OPTIONAL_ATTRIBUTES = {};
+
+    private String fqdnUrl;
+    private String foreignFqdnUrl;
+
+    @Override public void setupTest() {
+        super.setupTest();
+        String fqdn = DNSTestUtils.buildFqdn(KEY, env(), true);
+
+        String foreignLeaf = (String) env().get("FOREIGN_LEAF");
+        String foreignFqdn = DNSTestUtils.buildFqdn(foreignLeaf, env(), false);
+
+        fqdnUrl = DNSTestUtils.getRootUrl(env()) + "/" + fqdn;
+        foreignFqdnUrl = DNSTestUtils.getRootUrl(env()) + "/" + foreignFqdn;
+    }
+
+    public void initContext() throws Exception {
+        setContext(new InitialDirContext());
+    }
+
+    public void retrieveAndVerifyData(String name) throws NamingException {
+        Attributes retAttrs = context().getAttributes(name);
+        DNSTestUtils.verifySchema(retAttrs, MANDATORY_ATTRIBUTES,
+                OPTIONAL_ATTRIBUTES);
+    }
+
+    public void retrieveAndVerifyData(String name, String[] attrIds)
+            throws NamingException {
+        Attributes retAttrs = context().getAttributes(name, attrIds);
+        DNSTestUtils.verifySchema(retAttrs, MANDATORY_ATTRIBUTES,
+                OPTIONAL_ATTRIBUTES);
+    }
+
+    public String getFqdnUrl() {
+        return fqdnUrl;
+    }
+
+    public String getForeignFqdnUrl() {
+        return foreignFqdnUrl;
+    }
+}