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-rw-r--r--util/prosodyctl/check.lua9
1 files changed, 5 insertions, 4 deletions
diff --git a/util/prosodyctl/check.lua b/util/prosodyctl/check.lua
index 2fd3c784..2e3fb6d8 100644
--- a/util/prosodyctl/check.lua
+++ b/util/prosodyctl/check.lua
@@ -751,16 +751,17 @@ local function check(arg)
local fqdn = socket.dns.tohostname(socket.dns.gethostname());
if fqdn then
- do
- local res = dns.lookup(idna.to_ascii(fqdn), "A");
+ local fqdn_a = idna.to_ascii(fqdn);
+ if fqdn_a then
+ local res = dns.lookup(fqdn_a, "A");
if res then
for _, record in ipairs(res) do
external_addresses:add(record.a);
end
end
end
- do
- local res = dns.lookup(idna.to_ascii(fqdn), "AAAA");
+ if fqdn_a then
+ local res = dns.lookup(fqdn_a, "AAAA");
if res then
for _, record in ipairs(res) do
external_addresses:add(record.aaaa);