diff --git a/README.md b/README.md
index d07cee0..695e5fe 100644
--- a/README.md
+++ b/README.md
@@ -1560,6 +1560,10 @@ This repository is created as an online bookmark for useful links, resources and
         <td><a href="https://crt.sh/">Certificate Search</a></td>
         <td>crt.sh | Certificate</td>
     </tr>
+    <tr>
+        <td><a href="https://dark.fail/">dark.fail: Is a darknet site online?</a></td>
+        <td>dark.fail: Is a darknet site online?</td>
+    </tr>
     <tr>
         <td><a href="https://github.com/danieliu/play-scraper">danieliu/play-scraper</a></td>
         <td>A web scraper to retrieve application data from the Google Play Store.</td>