diff --git a/util/dns.py b/util/dns.py
index 6a96752..db67c0a 100644
--- a/util/dns.py
+++ b/util/dns.py
@@ -134,9 +134,11 @@ def ping(qname, server, dst_port, rdtype, timeout, count, proto, src_ip, use_edn
             break
         except dns.exception.Timeout:
             break
-        except OSError:
+        except OSError as e:
             if socket_ttl:  # this is an acceptable error while doing traceroute
                 break
+            print("error: %s"% e.strerror, file=sys.stderr, flush=True)
+            raise OSError(e)
         except Exception as e:
             print("error: %s"% e, file=sys.stderr, flush=True)
             break