diff --git a/API.md b/API.md
index 100faedaa..7a6e7c14c 100644
--- a/API.md
+++ b/API.md
@@ -474,6 +474,7 @@ Get all available addons.
     "name": "xy bla",
     "slug": "xdssd_xybla",
     "hostname": "xdssd-xybla",
+    "dns": [],
     "description": "description",
     "long_description": "null|markdown",
     "auto_update": "bool",
diff --git a/hassio/addons/addon.py b/hassio/addons/addon.py
index d694bd916..1cd4769ba 100644
--- a/hassio/addons/addon.py
+++ b/hassio/addons/addon.py
@@ -9,7 +9,7 @@ import secrets
 import shutil
 import tarfile
 from tempfile import TemporaryDirectory
-from typing import Any, Awaitable, Dict, Optional
+from typing import Any, Awaitable, Dict, List, Optional
 
 import voluptuous as vol
 from voluptuous.humanize import humanize_error
@@ -35,6 +35,7 @@ from ..const import (
     ATTR_USER,
     ATTR_UUID,
     ATTR_VERSION,
+    DNS_SUFFIX,
     STATE_NONE,
     STATE_STARTED,
     STATE_STOPPED,
@@ -119,6 +120,11 @@ class Addon(AddonModel):
         """Return installed version."""
         return self.persist[ATTR_VERSION]
 
+    @property
+    def dns(self) -> List[str]:
+        """Return list of DNS name for that add-on."""
+        return [f"{self.hostname}.{DNS_SUFFIX}"]
+
     @property
     def options(self) -> Dict[str, Any]:
         """Return options with local changes."""
diff --git a/hassio/addons/model.py b/hassio/addons/model.py
index b1b77197f..8c185f24f 100644
--- a/hassio/addons/model.py
+++ b/hassio/addons/model.py
@@ -114,6 +114,11 @@ class AddonModel(CoreSysAttributes):
         """Return slug/id of add-on."""
         return self.slug.replace("_", "-")
 
+    @property
+    def dns(self) -> List[str]:
+        """Return list of DNS name for that add-on."""
+        return []
+
     @property
     def timeout(self) -> int:
         """Return timeout of addon for docker stop."""
diff --git a/hassio/api/addons.py b/hassio/api/addons.py
index 1b7c8429b..ddd524408 100644
--- a/hassio/api/addons.py
+++ b/hassio/api/addons.py
@@ -30,6 +30,7 @@ from ..const import (
     ATTR_DEVICES,
     ATTR_DEVICETREE,
     ATTR_DISCOVERY,
+    ATTR_DNS,
     ATTR_DOCKER_API,
     ATTR_FULL_ACCESS,
     ATTR_GPIO,
@@ -182,6 +183,7 @@ class APIAddons(CoreSysAttributes):
             ATTR_NAME: addon.name,
             ATTR_SLUG: addon.slug,
             ATTR_HOSTNAME: addon.hostname,
+            ATTR_DNS: addon.dns,
             ATTR_DESCRIPTON: addon.description,
             ATTR_LONG_DESCRIPTION: addon.long_description,
             ATTR_AUTO_UPDATE: None,