diff --git a/checker/collect.go b/checker/collect.go
index ad0d927..b378de2 100644
--- a/checker/collect.go
+++ b/checker/collect.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"time"
 
 	sdk "git.happydns.org/checker-sdk-go/checker"
 )
@@ -63,6 +64,7 @@ func (p *caaProvider) Collect(ctx context.Context, opts sdk.CheckerOptions) (any
 	return &CAAData{
 		Domain:  domain,
 		Records: records,
+		RunAt:   time.Now().UTC().Format(time.RFC3339),
 	}, nil
 }
 
diff --git a/checker/types.go b/checker/types.go
index a266ff3..b42c67b 100644
--- a/checker/types.go
+++ b/checker/types.go
@@ -40,6 +40,7 @@ const (
 type CAAData struct {
 	Domain  string      `json:"domain,omitempty"`
 	Records []CAARecord `json:"records,omitempty"`
+	RunAt   string      `json:"run_at,omitempty"`
 }
 
 type CAARecord struct {