diff --git a/packages/rrweb/src/record/mutation.ts b/packages/rrweb/src/record/mutation.ts
index a369b17345..58cb7e4137 100644
--- a/packages/rrweb/src/record/mutation.ts
+++ b/packages/rrweb/src/record/mutation.ts
@@ -331,7 +331,16 @@ export default class MutationBuffer {
         recordCanvas: this.recordCanvas,
         inlineImages: this.inlineImages,
         onSerialize: (currentN) => {
-          if (isSerializedIframe(currentN, this.mirror)) {
+          if (
+            isSerializedIframe(currentN, this.mirror) &&
+            !isBlocked(
+              currentN,
+              this.blockClass,
+              this.blockSelector,
+              this.unblockSelector,
+              false,
+            )
+          ) {
             this.iframeManager.addIframe(currentN as HTMLIFrameElement);
           }
           if (isSerializedStylesheet(currentN, this.mirror)) {
@@ -344,6 +353,18 @@ export default class MutationBuffer {
           }
         },
         onIframeLoad: (iframe, childSn) => {
+          if (
+            isBlocked(
+              iframe,
+              this.blockClass,
+              this.blockSelector,
+              this.unblockSelector,
+              false,
+            )
+          ) {
+            return;
+          }
+
           this.iframeManager.attachIframe(iframe, childSn);
           if (iframe.contentWindow) {
             this.canvasManager.addWindow(iframe.contentWindow as IWindow);
diff --git a/packages/rrweb/test/__snapshots__/integration.test.ts.snap b/packages/rrweb/test/__snapshots__/integration.test.ts.snap
index 5a30ad033f..992b6446b3 100644
--- a/packages/rrweb/test/__snapshots__/integration.test.ts.snap
+++ b/packages/rrweb/test/__snapshots__/integration.test.ts.snap
@@ -13032,6 +13032,21 @@ exports[`record integration tests should not record blocked elements dynamically
         {
           \\"parentId\\": 16,
           \\"nextId\\": 18,
+          \\"node\\": {
+            \\"type\\": 2,
+            \\"tagName\\": \\"iframe\\",
+            \\"attributes\\": {
+              \\"class\\": \\"rr-block\\",
+              \\"rr_width\\": \\"104px\\",
+              \\"rr_height\\": \\"104px\\"
+            },
+            \\"childNodes\\": [],
+            \\"id\\": 23
+          }
+        },
+        {
+          \\"parentId\\": 16,
+          \\"nextId\\": 23,
           \\"node\\": {
             \\"type\\": 2,
             \\"tagName\\": \\"button\\",
@@ -13041,7 +13056,7 @@ exports[`record integration tests should not record blocked elements dynamically
               \\"rr_height\\": \\"100px\\"
             },
             \\"childNodes\\": [],
-            \\"id\\": 23
+            \\"id\\": 24
           }
         }
       ]
diff --git a/packages/rrweb/test/integration.test.ts b/packages/rrweb/test/integration.test.ts
index fa49d4e499..cb0a032338 100644
--- a/packages/rrweb/test/integration.test.ts
+++ b/packages/rrweb/test/integration.test.ts
@@ -639,8 +639,15 @@ describe('record integration tests', function (this: ISuite) {
       el.style.height = '100px';
       el.innerText = 'Should not be recorded';
 
+      const iframe = document.createElement('iframe');
+      iframe.className = 'rr-block';
+      iframe.style.width = '100px';
+      iframe.style.height = '100px';
+      iframe.src = '#foo';
+
       const nextElement = document.querySelector('.rr-block')!;
       nextElement.parentNode!.insertBefore(el, nextElement);
+      nextElement.parentNode!.insertBefore(iframe, nextElement);
     });
 
     const snapshots = (await page.evaluate(