diff --git a/CHANGES b/CHANGES
index 91ab941714..7de75422ed 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+3968.	[bug]		Silence spurious log messages when using 'named -[46]'.
+			[RT #37308]
+
 3967.	[test]		Add test for inlined signed zone in multiple views
 			with different DNSKEY sets. [RT #35759]
 
diff --git a/bin/named/include/named/globals.h b/bin/named/include/named/globals.h
index 3c261d3b59..e47bda8895 100644
--- a/bin/named/include/named/globals.h
+++ b/bin/named/include/named/globals.h
@@ -167,6 +167,9 @@ EXTERN isc_boolean_t		ns_g_nosoa		INIT(ISC_FALSE);
 EXTERN isc_boolean_t		ns_g_noaa		INIT(ISC_FALSE);
 EXTERN unsigned int		ns_g_delay		INIT(0);
 EXTERN isc_boolean_t		ns_g_nonearest		INIT(ISC_FALSE);
+EXTERN isc_boolean_t		ns_g_disable6		INIT(ISC_FALSE);
+EXTERN isc_boolean_t		ns_g_disable4		INIT(ISC_FALSE);
+
 
 #ifdef HAVE_GEOIP
 EXTERN dns_geoip_databases_t	*ns_g_geoip		INIT(NULL);
diff --git a/bin/named/interfacemgr.c b/bin/named/interfacemgr.c
index c263c997aa..137845e0b5 100644
--- a/bin/named/interfacemgr.c
+++ b/bin/named/interfacemgr.c
@@ -814,7 +814,7 @@ do_scan(ns_interfacemgr_t *mgr, ns_listenlist_t *ext_listen,
 	if (isc_net_probeipv6() == ISC_R_SUCCESS)
 		scan_ipv6 = ISC_TRUE;
 #ifdef WANT_IPV6
-	else
+	else if (!ns_g_disable6)
 		isc_log_write(IFMGR_COMMON_LOGARGS,
 			      verbose ? ISC_LOG_INFO : ISC_LOG_DEBUG(1),
 			      "no IPv6 interfaces found");
@@ -822,7 +822,7 @@ do_scan(ns_interfacemgr_t *mgr, ns_listenlist_t *ext_listen,
 
 	if (isc_net_probeipv4() == ISC_R_SUCCESS)
 		scan_ipv4 = ISC_TRUE;
-	else
+	else if (!ns_g_disable4)
 		isc_log_write(IFMGR_COMMON_LOGARGS,
 			      verbose ? ISC_LOG_INFO : ISC_LOG_DEBUG(1),
 			      "no IPv4 interfaces found");
diff --git a/bin/named/main.c b/bin/named/main.c
index 2e2f67b7d3..409edc35d3 100644
--- a/bin/named/main.c
+++ b/bin/named/main.c
@@ -416,8 +416,6 @@ parse_command_line(int argc, char *argv[]) {
 	int ch;
 	int port;
 	const char *p;
-	isc_boolean_t disable6 = ISC_FALSE;
-	isc_boolean_t disable4 = ISC_FALSE;
 
 	save_command_line(argc, argv);
 
@@ -427,20 +425,20 @@ parse_command_line(int argc, char *argv[]) {
 	while ((ch = isc_commandline_parse(argc, argv, CMDLINE_FLAGS)) != -1) {
 		switch (ch) {
 		case '4':
-			if (disable4)
+			if (ns_g_disable4)
 				ns_main_earlyfatal("cannot specify -4 and -6");
 			if (isc_net_probeipv4() != ISC_R_SUCCESS)
 				ns_main_earlyfatal("IPv4 not supported by OS");
 			isc_net_disableipv6();
-			disable6 = ISC_TRUE;
+			ns_g_disable6 = ISC_TRUE;
 			break;
 		case '6':
-			if (disable6)
+			if (ns_g_disable6)
 				ns_main_earlyfatal("cannot specify -4 and -6");
 			if (isc_net_probeipv6() != ISC_R_SUCCESS)
 				ns_main_earlyfatal("IPv6 not supported by OS");
 			isc_net_disableipv4();
-			disable4 = ISC_TRUE;
+			ns_g_disable4 = ISC_TRUE;
 			break;
 		case 'c':
 			ns_g_conffile = isc_commandline_argument;
diff --git a/bin/named/server.c b/bin/named/server.c
index 68a39b973a..aed628fc82 100644
--- a/bin/named/server.c
+++ b/bin/named/server.c
@@ -5645,10 +5645,11 @@ load_configuration(const char *filename, ns_server_t *server,
 			isc_portset_addrange(v4portset, udpport_low,
 					     udpport_high);
 		}
-		isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,
-			      NS_LOGMODULE_SERVER, ISC_LOG_INFO,
-			      "using default UDP/IPv4 port range: [%d, %d]",
-			      udpport_low, udpport_high);
+		if (!ns_g_disable4)
+			isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,
+				      NS_LOGMODULE_SERVER, ISC_LOG_INFO,
+				      "using default UDP/IPv4 port range: "
+				      "[%d, %d]", udpport_low, udpport_high);
 	}
 	(void)ns_config_get(maps, "avoid-v4-udp-ports", &avoidv4ports);
 	if (avoidv4ports != NULL)
@@ -5667,10 +5668,11 @@ load_configuration(const char *filename, ns_server_t *server,
 			isc_portset_addrange(v6portset, udpport_low,
 					     udpport_high);
 		}
-		isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,
-			      NS_LOGMODULE_SERVER, ISC_LOG_INFO,
-			      "using default UDP/IPv6 port range: [%d, %d]",
-			      udpport_low, udpport_high);
+		if (!ns_g_disable6)
+			isc_log_write(ns_g_lctx, NS_LOGCATEGORY_GENERAL,
+				      NS_LOGMODULE_SERVER, ISC_LOG_INFO,
+				      "using default UDP/IPv6 port range: "
+				      "[%d, %d]", udpport_low, udpport_high);
 	}
 	(void)ns_config_get(maps, "avoid-v6-udp-ports", &avoidv6ports);
 	if (avoidv6ports != NULL)