diff --git a/CHANGES b/CHANGES
index 320b432c23..1ad9a22c69 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+6031.	[bug]		Move the "final reference detached" log message
+			from dns_zone unit to the DEBUG(1) log level.
+			[GL #3707]
+
 6027.	[bug]		Fix assertion failure in isc_http API used by
 			statschannel if the read callback would be called
 			on HTTP request that has been already closed.
diff --git a/doc/notes/notes-current.rst b/doc/notes/notes-current.rst
index 9b68e65012..d0aaeccf75 100644
--- a/doc/notes/notes-current.rst
+++ b/doc/notes/notes-current.rst
@@ -54,6 +54,11 @@ Bug Fixes
 - Fix an assertion failure in the statschannel caused by reading from the HTTP
   connection closed prematurely (connection error, shutdown). :gl:`#3693`
 
+- The ``zone <name>/<class>: final reference detached`` log message was
+  moved from the INFO log level to the DEBUG(1) log level to prevent the
+  :iscman:`named-checkzone` tool from superfluously logging this message
+  in non-debug mode. :gl:`#3707`
+
 Known Issues
 ~~~~~~~~~~~~
 
diff --git a/lib/dns/zone.c b/lib/dns/zone.c
index e2800db233..1165e8f9c7 100644
--- a/lib/dns/zone.c
+++ b/lib/dns/zone.c
@@ -5813,7 +5813,8 @@ dns_zone_detach(dns_zone_t **zonep) {
 		 * Stop things being restarted after we cancel them below.
 		 */
 		DNS_ZONE_SETFLAG(zone, DNS_ZONEFLG_EXITING);
-		dns_zone_log(zone, ISC_LOG_INFO, "final reference detached");
+		dns_zone_log(zone, ISC_LOG_DEBUG(1),
+			     "final reference detached");
 		if (zone->task != NULL) {
 			/*
 			 * This zone has a task; it can clean