Update bot/integrations/diag_extra.py

bot/integrations/diag_extra.py

@@ -1,4 +1,4 @@
-# PATH: bot/integrations/diag_extra.py
+# bot/integrations/diag_extra.py
 import socket
 from urllib.parse import urlparse
 
@@ -7,20 +7,20 @@ def dns_check(url_or_host: str) -> str:
         v = (url_or_host or "").strip()
         if not v:
             return "ERR:empty"
+
         if "://" in v:
             host = urlparse(v).hostname or ""
         else:
             host = v
+
         if not host:
             return "ERR:no_host"
-        infos = socket.getaddrinfo(host, 443, proto=socket.IPPROTO_TCP)
-        ips = []
-        for i in infos:
-            ip = i[4][0]
-            if ip not in ips:
-                ips.append(ip)
+
+        infos = socket.getaddrinfo(host, 443)
+        ips = sorted({i[4][0] for i in infos if i and i[4]})
         if not ips:
             return "ERR:no_ips"
-        return "OK:%s -> %s" % (host, ", ".join(ips[:6]))
+        # keep it short
+        return "OK:" + ",".join(ips[:5])
     except Exception as e:
         return f"ERR:{type(e).__name__}:{e}"