diff --git a/terraform/environments/production/dns.tf b/terraform/environments/production/dns.tf
index b1496a49d..a0ef36d16 100644
--- a/terraform/environments/production/dns.tf
+++ b/terraform/environments/production/dns.tf
@@ -136,7 +136,9 @@ resource "google_dns_record_set" "root-verifications" {
     "google-site-verification=hbBLPfTlejIaxyFTPZN0RaIk6Y6qhQTG2yma7I06Emo",
     "google-site-verification=oAugt2Arr7OyWaqJ0bkytkmIE-VQ8D_IFa-rdNiqa8s",
     "google-site-verification=VDl82gbqVHJW6un8Mcki6qDhL_OGK6G8ByOB6qhaVbg",
-    "oneleet-domain-verification-72120df0-57da-4da7-b7bf-e26eaee9dd85"
+    "oneleet-domain-verification-72120df0-57da-4da7-b7bf-e26eaee9dd85",
+    # Microsoft 365
+    "MS=ms19826180"
   ]
 }