diff --git a/bundles/opendkim/metadata.py b/bundles/opendkim/metadata.py
index c6ffcbc..181cf64 100644
--- a/bundles/opendkim/metadata.py
+++ b/bundles/opendkim/metadata.py
@@ -15,8 +15,16 @@ defaults = {
         'domains': [],
         'keys': {},
     },
+    'dns': {
+        'mail._domainkey.mail2.sublimity.de': {
+            'TXT': [
+                
+            ]
+        }
+    }
 }
 
+
 @metadata_reactor.provides(
     'opendkim/keys'
 )
@@ -66,3 +74,20 @@ def keys(metadata):
             'keys': keys,
         }
     }
+
+
+@metadata_reactor.provides(
+    'opendkim/keys'
+)
+def dns(metadata):
+    dns = {}
+    
+    for domain, keys in metadata.get('opendkim/keys').items():
+        raw_key = keys['public'].replace('ssh-rsa ', '')
+        dns[f'mail._domainkey.{domain}'] = {
+            'TXT': f'v=DKIM1; k=rsa; p={raw_key}',
+        }
+    
+    return {
+        'dns': dns,
+    }