diff --git a/api/v1/mongodbcommunity_types.go b/api/v1/mongodbcommunity_types.go
index 8c78b8a4e..c86fa9e03 100644
--- a/api/v1/mongodbcommunity_types.go
+++ b/api/v1/mongodbcommunity_types.go
@@ -132,6 +132,9 @@ type MongoDBCommunitySpec struct {
 	// MemberConfig
 	// +optional
 	MemberConfig []automationconfig.MemberOptions `json:"memberConfig,omitempty"`
+
+	// OverrideClusterDomain overrides the cluster domain.
+	OverrideClusterDomain string `json:"overrideClusterDomain,omitempty"`
 }
 
 // MapWrapper is a wrapper for a map to be used by other structs.
diff --git a/config/crd/bases/mongodbcommunity.mongodb.com_mongodbcommunity.yaml b/config/crd/bases/mongodbcommunity.mongodb.com_mongodbcommunity.yaml
index 1b1189970..212bdaee2 100644
--- a/config/crd/bases/mongodbcommunity.mongodb.com_mongodbcommunity.yaml
+++ b/config/crd/bases/mongodbcommunity.mongodb.com_mongodbcommunity.yaml
@@ -223,6 +223,9 @@ spec:
               members:
                 description: Members is the number of members in the replica set
                 type: integer
+              overrideClusterDomain:
+                description: OverrideClusterDomain overrides the cluster domain.
+                type: string
               prometheus:
                 description: Prometheus configurations.
                 properties:
diff --git a/controllers/replica_set_controller.go b/controllers/replica_set_controller.go
index 2d9355a57..3fae49dbc 100644
--- a/controllers/replica_set_controller.go
+++ b/controllers/replica_set_controller.go
@@ -203,9 +203,12 @@ func (r ReplicaSetReconciler) Reconcile(ctx context.Context, request reconcile.R
 			withMongoDBArbiters(mdb.AutomationConfigArbitersThisReconciliation()).
 			withPendingPhase(10))
 	}
-
+	mdbClusterDomain := mdb.Spec.OverrideClusterDomain
+	if mdbClusterDomain == "" {
+		mdbClusterDomain = os.Getenv(clusterDomain)
+	}
 	res, err := status.Update(ctx, r.client.Status(), &mdb, statusOptions().
-		withMongoURI(mdb.MongoURI(os.Getenv(clusterDomain))).
+		withMongoURI(mdb.MongoURI(mdbClusterDomain)).
 		withMongoDBMembers(mdb.AutomationConfigMembersThisReconciliation()).
 		withStatefulSetReplicas(mdb.StatefulSetReplicasThisReconciliation()).
 		withStatefulSetArbiters(mdb.StatefulSetArbitersThisReconciliation()).
@@ -218,7 +221,7 @@ func (r ReplicaSetReconciler) Reconcile(ctx context.Context, request reconcile.R
 		return res, err
 	}
 
-	if err := r.updateConnectionStringSecrets(ctx, mdb, os.Getenv(clusterDomain)); err != nil {
+	if err := r.updateConnectionStringSecrets(ctx, mdb, mdbClusterDomain); err != nil {
 		r.log.Errorf("Could not update connection string secrets: %s", err)
 	}
 
@@ -499,8 +502,12 @@ func (r ReplicaSetReconciler) ensureAutomationConfig(mdb mdbv1.MongoDBCommunity,
 }
 
 func buildAutomationConfig(mdb mdbv1.MongoDBCommunity, auth automationconfig.Auth, currentAc automationconfig.AutomationConfig, modifications ...automationconfig.Modification) (automationconfig.AutomationConfig, error) {
-	domain := getDomain(mdb.ServiceName(), mdb.Namespace, os.Getenv(clusterDomain))
-	arbiterDomain := getDomain(mdb.ServiceName(), mdb.Namespace, os.Getenv(clusterDomain))
+	mdbClusterDomain := mdb.Spec.OverrideClusterDomain
+	if mdbClusterDomain == "" {
+		mdbClusterDomain = os.Getenv(clusterDomain)
+	}
+	domain := getDomain(mdb.ServiceName(), mdb.Namespace, mdbClusterDomain)
+	arbiterDomain := getDomain(mdb.ServiceName(), mdb.Namespace, mdbClusterDomain)
 
 	zap.S().Debugw("AutomationConfigMembersThisReconciliation", "mdb.AutomationConfigMembersThisReconciliation()", mdb.AutomationConfigMembersThisReconciliation())