diff -r 887d7b15e21b -r 51141309ffc4 util/prosodyctl/check.lua
--- a/util/prosodyctl/check.lua	Sun Jul 04 01:29:47 2021 +0200
+++ b/util/prosodyctl/check.lua	Sun Jul 04 01:32:04 2021 +0200
@@ -518,6 +518,16 @@
 					end
 				end
 
+				if host_ok_v4 and not use_ipv4 then
+					print("    Host "..target_host.." does seem to resolve to this server but IPv4 has been disabled");
+					all_targets_ok = false;
+				end
+
+				if host_ok_v6 and not use_ipv6 then
+					print("    Host "..target_host.." does seem to resolve to this server but IPv6 has been disabled");
+					all_targets_ok = false;
+				end
+
 				local bad_protos = {}
 				if use_ipv4 and not host_ok_v4 then
 					table.insert(bad_protos, "IPv4");