diff --git a/tests/dns/rdata_test.c b/tests/dns/rdata_test.c
index ca749b8bdd..e2777e3d72 100644
--- a/tests/dns/rdata_test.c
+++ b/tests/dns/rdata_test.c
@@ -1788,43 +1788,43 @@ ISC_RUN_TEST_IMPL(dsync) {
 		/*
 		 * Known type and known scheme.
 		 */
-		TEXT_VALID("CDS NOTIFY 0 example.com"),
+		TEXT_VALID("CDS NOTIFY 0 example.com."),
 		/*
 		 * Known type and unknown scheme.
 		 */
-		TEXT_VALID("CDS 3 0 example.com"),
+		TEXT_VALID("CDS 3 0 example.com."),
 		/*
 		 * Unknown type and known scheme.
 		 */
-		TEXT_VALID("TYPE1000 NOTIFY 0 example.com"),
+		TEXT_VALID("TYPE1000 NOTIFY 0 example.com."),
 		/*
 		 * Unknown type and unknown scheme.
 		 */
-		TEXT_VALID("TYPE1000 3 0 example.com"),
+		TEXT_VALID("TYPE1000 3 0 example.com."),
 		/*
 		 * Unknown type and unknown scheme, max port.
 		 */
-		TEXT_VALID("TYPE1000 3 65535 example.com"),
+		TEXT_VALID("TYPE1000 3 65535 example.com."),
 		/*
 		 * Unknown type and max scheme, max port.
 		 */
-		TEXT_VALID("TYPE64000 255 65535 example.com"),
+		TEXT_VALID("TYPE64000 255 65535 example.com."),
 		/*
 		 * Invalid type and max scheme, max port.
 		 */
-		TEXT_INVALID("INVALID 255 65536 example.com"),
+		TEXT_INVALID("INVALID 255 65536 example.com."),
 		/*
 		 * Unknown type and too big scheme, max port.
 		 */
-		TEXT_INVALID("TYPE1000 256 65536 example.com"),
+		TEXT_INVALID("TYPE1000 256 65536 example.com."),
 		/*
 		 * Unknown type and unknown scheme, port too big.
 		 */
-		TEXT_INVALID("TYPE1000 3 65536 example.com"),
+		TEXT_INVALID("TYPE1000 3 65536 example.com."),
 		/*
 		 * Unknown type and bad scheme, max port.
 		 */
-		TEXT_INVALID("TYPE1000 UNKNOWN 65535 example.com"),
+		TEXT_INVALID("TYPE1000 UNKNOWN 65535 example.com."),
 		/*
 		 * Sentinel.
 		 */
@@ -3331,6 +3331,7 @@ ISC_TEST_ENTRY(csync)
 ISC_TEST_ENTRY(dnskey)
 ISC_TEST_ENTRY(doa)
 ISC_TEST_ENTRY(ds)
+ISC_TEST_ENTRY(dsync)
 ISC_TEST_ENTRY(eid)
 ISC_TEST_ENTRY(hip)
 ISC_TEST_ENTRY(https_svcb)