diff --git a/va/va.go b/va/va.go
index dfc173319..7a7981945 100644
--- a/va/va.go
+++ b/va/va.go
@@ -868,7 +868,7 @@ func (va *ValidationAuthorityImpl) PerformValidation(ctx context.Context, domain
 	logEvent := verificationRequestEvent{
 		ID:          authz.ID,
 		Requester:   authz.RegistrationID,
-		Hostname:    authz.Identifier.Value,
+		Hostname:    domain,
 		RequestTime: va.clk.Now(),
 	}
 	vStart := va.clk.Now()
diff --git a/va/va_test.go b/va/va_test.go
index be229fb63..67f5b7ae9 100644
--- a/va/va_test.go
+++ b/va/va_test.go
@@ -824,7 +824,7 @@ func TestDNSValidationEmpty(t *testing.T) {
 }
 
 func TestPerformValidationValid(t *testing.T) {
-	va, _ := setup(nil, 0)
+	va, mockLog := setup(nil, 0)
 
 	// create a challenge with well known token
 	chalDNS := core.DNSChallenge01()
@@ -840,6 +840,13 @@ func TestPerformValidationValid(t *testing.T) {
 	if samples != 1 {
 		t.Errorf("Wrong number of samples for successful validation. Expected 1, got %d", samples)
 	}
+	resultLog := mockLog.GetAllMatching(`Validation result`)
+	if len(resultLog) != 1 {
+		t.Fatalf("Wrong number of matching lines for 'Validation result'")
+	}
+	if !strings.Contains(resultLog[0], `"Hostname":"good-dns01.com"`) {
+		t.Errorf("PerformValidation didn't log validation hostname.")
+	}
 }
 
 func TestDNSValidationFailure(t *testing.T) {