diff --git a/src/index.ts b/src/index.ts
index 5a73ce3..132c680 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -21,6 +21,7 @@ import { logger } from './log/Logger';
 import { Managed } from './managed';
 
 const port = parseInt(process.env.PORT || '9129', 10);
+const bind = process.env.BIND_ADDRESS || '0.0.0.0';
 const cacheTTL = parseInt(process.env.CACHE_TTL || '2629746', 10);
 const dir = process.env.ZONEFILES || '.';
 
@@ -591,7 +592,7 @@ async function load() {
     }
   }
 
-  app.listen(port, () => logger.info(`listening on ${port}`));
+  app.listen(port, bind, () => logger.info(`listening on ${port}`));
 }
 
 if (process.argv.includes('genkey')) {