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-rw-r--r--util/prosodyctl/check.lua6
1 files changed, 5 insertions, 1 deletions
diff --git a/util/prosodyctl/check.lua b/util/prosodyctl/check.lua
index 67762c13..b601ee8b 100644
--- a/util/prosodyctl/check.lua
+++ b/util/prosodyctl/check.lua
@@ -928,7 +928,11 @@ local function check(arg)
local unknown_addresses = set.new();
- for jid in enabled_hosts() do
+ local function is_valid_domain(domain)
+ return idna.to_ascii(domain) ~= nil;
+ end
+
+ for jid in it.filter(is_valid_domain, enabled_hosts()) do
local all_targets_ok, some_targets_ok = true, false;
local node, host = jid_split(jid);