diff --git a/dns/dmarc-validation.yaml b/dns/dmarc-validation.yaml
index f0f89f2e9c4..4a5fc35f61a 100644
--- a/dns/dmarc-validation.yaml
+++ b/dns/dmarc-validation.yaml
@@ -12,8 +12,10 @@ info:
 
 dns:
   - name: "_dmarc.{{FQDN}}"
+  
     type: TXT
     class: inet
+
     recursion: true
     retries: 3
 
@@ -21,9 +23,8 @@ dns:
     matchers:
       - type: word
         words:
-          - "v=DMARC1"
-          - "v=dmarc1"
-        condition: or
+          - "v=DKIM1"
+        case-insensitive: true
 
       - type: regex
         regex: