diff --git a/bin/tests/rbt/dns_rbtnodechain_first_1.data b/bin/tests/rbt/dns_rbtnodechain_first_1.data
new file mode 100644
index 0000000000..1e0bfc9c0a
--- /dev/null
+++ b/bin/tests/rbt/dns_rbtnodechain_first_1.data
@@ -0,0 +1,13 @@
+vix.com
+a.vix.com
+b.vix.com
+c.vix.com
+a.a.vix.com
+b.a.vix.com
+a.b.vix.com
+b.b.vix.com
+a.c.vix.com
+b.c.vix.com
+iengines.net
+isc.org
+
diff --git a/bin/tests/rbt/dns_rbtnodechain_first_2.data b/bin/tests/rbt/dns_rbtnodechain_first_2.data
new file mode 100644
index 0000000000..268376b93c
--- /dev/null
+++ b/bin/tests/rbt/dns_rbtnodechain_first_2.data
@@ -0,0 +1,9 @@
+a.a.vix.com
+b.a.vix.com
+a.b.vix.com
+b.b.vix.com
+a.c.vix.com
+b.c.vix.com
+iengines.net
+isc.org
+
diff --git a/bin/tests/rbt/dns_rbtnodechain_first_data b/bin/tests/rbt/dns_rbtnodechain_first_data
new file mode 100644
index 0000000000..6d5bca1cfc
--- /dev/null
+++ b/bin/tests/rbt/dns_rbtnodechain_first_data
@@ -0,0 +1,7 @@
+#
+# test data for dns_rbtnodechain_first
+#
+# format is: <dbfile> <findnode> <next> <nextorigin> <prev> <prevorigin>  <first> <firstorigin> <last> <lastorigin>
+#
+dns_rbtnodechain_first_1.data	.	.	.	.
+dns_rbtnodechain_first_2.data	.	.	vix.com	.
diff --git a/bin/tests/rbt/dns_rbtnodechain_init.data b/bin/tests/rbt/dns_rbtnodechain_init.data
new file mode 100644
index 0000000000..1e0bfc9c0a
--- /dev/null
+++ b/bin/tests/rbt/dns_rbtnodechain_init.data
@@ -0,0 +1,13 @@
+vix.com
+a.vix.com
+b.vix.com
+c.vix.com
+a.a.vix.com
+b.a.vix.com
+a.b.vix.com
+b.b.vix.com
+a.c.vix.com
+b.c.vix.com
+iengines.net
+isc.org
+
diff --git a/bin/tests/rbt/dns_rbtnodechain_init_data b/bin/tests/rbt/dns_rbtnodechain_init_data
new file mode 100644
index 0000000000..3f82543937
--- /dev/null
+++ b/bin/tests/rbt/dns_rbtnodechain_init_data
@@ -0,0 +1,6 @@
+#
+# test data for dns_rbtnodechain_init
+#
+# format is: <dbfile> <findnode> <next> <nextorigin> <prev> <prevorigin>  <first> <firstorigin> <last> <lastorigin>
+#
+dns_rbtnodechain_init.data	b.vix.com.	a	b.vix.com.	b	a.vix.com.	.	.	isc.org	.
diff --git a/bin/tests/rbt/dns_rbtnodechain_last_1.data b/bin/tests/rbt/dns_rbtnodechain_last_1.data
new file mode 100644
index 0000000000..1e0bfc9c0a
--- /dev/null
+++ b/bin/tests/rbt/dns_rbtnodechain_last_1.data
@@ -0,0 +1,13 @@
+vix.com
+a.vix.com
+b.vix.com
+c.vix.com
+a.a.vix.com
+b.a.vix.com
+a.b.vix.com
+b.b.vix.com
+a.c.vix.com
+b.c.vix.com
+iengines.net
+isc.org
+
diff --git a/bin/tests/rbt/dns_rbtnodechain_last_2.data b/bin/tests/rbt/dns_rbtnodechain_last_2.data
new file mode 100644
index 0000000000..4d0c76d0fe
--- /dev/null
+++ b/bin/tests/rbt/dns_rbtnodechain_last_2.data
@@ -0,0 +1,7 @@
+a.b.vix.com
+b.b.vix.com
+a.c.vix.com
+b.c.vix.com
+vayu.com
+isc.org
+
diff --git a/bin/tests/rbt/dns_rbtnodechain_last_data b/bin/tests/rbt/dns_rbtnodechain_last_data
new file mode 100644
index 0000000000..bf06a216ba
--- /dev/null
+++ b/bin/tests/rbt/dns_rbtnodechain_last_data
@@ -0,0 +1,7 @@
+#
+# test data for dns_rbtnodechain_last
+#
+# format is: <dbfile> <last> <lastorigin> <prev> <prevorigin>
+#
+dns_rbtnodechain_last_1.data	isc.org	.	iengines.net	.
+dns_rbtnodechain_last_2.data	isc.org	.	b	c.vix.com.
diff --git a/bin/tests/rbt/dns_rbtnodechain_next.data b/bin/tests/rbt/dns_rbtnodechain_next.data
new file mode 100644
index 0000000000..1e0bfc9c0a
--- /dev/null
+++ b/bin/tests/rbt/dns_rbtnodechain_next.data
@@ -0,0 +1,13 @@
+vix.com
+a.vix.com
+b.vix.com
+c.vix.com
+a.a.vix.com
+b.a.vix.com
+a.b.vix.com
+b.b.vix.com
+a.c.vix.com
+b.c.vix.com
+iengines.net
+isc.org
+
diff --git a/bin/tests/rbt/dns_rbtnodechain_next_data b/bin/tests/rbt/dns_rbtnodechain_next_data
new file mode 100644
index 0000000000..a69ab37a5f
--- /dev/null
+++ b/bin/tests/rbt/dns_rbtnodechain_next_data
@@ -0,0 +1,6 @@
+#
+# test data for dns_rbtnodechain_next
+#
+# format is: <dbfile> <startname> <expected_name> <expected_origin>
+#
+dns_rbtnodechain_next.data	c.vix.com.	a	c.vix.com.
diff --git a/bin/tests/rbt/dns_rbtnodechain_prev.data b/bin/tests/rbt/dns_rbtnodechain_prev.data
new file mode 100644
index 0000000000..1e0bfc9c0a
--- /dev/null
+++ b/bin/tests/rbt/dns_rbtnodechain_prev.data
@@ -0,0 +1,13 @@
+vix.com
+a.vix.com
+b.vix.com
+c.vix.com
+a.a.vix.com
+b.a.vix.com
+a.b.vix.com
+b.b.vix.com
+a.c.vix.com
+b.c.vix.com
+iengines.net
+isc.org
+
diff --git a/bin/tests/rbt/dns_rbtnodechain_prev_data b/bin/tests/rbt/dns_rbtnodechain_prev_data
new file mode 100644
index 0000000000..4c8450dc67
--- /dev/null
+++ b/bin/tests/rbt/dns_rbtnodechain_prev_data
@@ -0,0 +1,6 @@
+#
+# test data for dns_rbtnodechain_prev
+#
+# format is: <dbfile> <startname> <expected_name> <expected_origin>
+#
+dns_rbtnodechain_prev.data	a.b.vix.com.	b	vix.com.