fix: responder dns ptr record zeroconf support

fixes #5
cbrand · Sep 28, 2022 · 285d24b · 285d24b
1 parent a3e0d47
commit 285d24b
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/mdns_client/responder.py b/src/mdns_client/responder.py
@@ -185,7 +185,9 @@ def _get_service_of(self, query: str) -> "Optional[str]":
 
     def _ptr_record_for(self, query: str) -> DNSRecord:
         ptr_target = ".".join((self.host, query))
-        return DNSRecord(query, TYPE_PTR, CLASS_IN, DEFAULT_TTL, name_to_bytes(ptr_target))
+        # For some reason the PTR is shortened and the last two bytes are removed
+        ptr_target_bytes = name_to_bytes(ptr_target)[:-2] 
+        return DNSRecord(query, TYPE_PTR, CLASS_IN, DEFAULT_TTL, ptr_target_bytes)
 
     def _srv_record_for(self, query: str) -> "Optional[DNSRecord]":
         advertisment = self._advertisements.get(query, None)