diff --git a/removed_sites.json b/removed_sites.json
index bc0cba9..0b71c05 100644
--- a/removed_sites.json
+++ b/removed_sites.json
@@ -35,7 +35,8 @@
     "errorType": "status_code",
     "url": "https://www.codementor.io/@{}",
     "urlMain": "https://www.codementor.io/",
-    "username_claimed": "blue"
+    "username_claimed": "blue",
+    "username_unclaimed": "noonewouldeverusethis7"
   },
   "EVE Online": {
     "errorType": "response_url",
diff --git a/removed_sites.md b/removed_sites.md
index d870500..b0b0dd4 100644
--- a/removed_sites.md
+++ b/removed_sites.md
@@ -192,21 +192,6 @@ As of 2019-12-31, all usernames are reported as existing.
   },
 ```
 
-## Codementor
-
-As of 2019-12-31, usernames that exist are not detected.
-
-```json
-  "Codementor": {
-    "errorType": "status_code",
-    "rank": 10252,
-    "url": "https://www.codementor.io/@{}",
-    "urlMain": "https://www.codementor.io/",
-    "username_claimed": "blue",
-    "username_unclaimed": "noonewouldeverusethis7"
-  },
-```
-
 ## KiwiFarms
 
 As of 2019-12-31, the site gives a 403 for all usernames.  You have to
diff --git a/sherlock/resources/data.json b/sherlock/resources/data.json
index b7500f4..b88391b 100644
--- a/sherlock/resources/data.json
+++ b/sherlock/resources/data.json
@@ -2663,6 +2663,37 @@
     "errorType": "status_code",
     "url": "https://www.znanylekarz.pl/{}",
     "urlMain": "https://znanylekarz.pl",
-    "username_claimed": "janusz-nowak"
+    "username_claimed": "janusz-nowak",
+    "username_unclaimed": "kto-by-sie-tak-nazwal-69"
+  },
+  "zoomit": {
+    "errorMsg": "\u0645\u062a\u0627\u0633\u0641\u0627\u0646\u0647 \u0635\u0641\u062d\u0647 \u06cc\u0627\u0641\u062a \u0646\u0634\u062f",
+    "errorType": "message",
+    "url": "https://www.zoomit.ir/user/{}",
+    "urlMain": "https://www.zoomit.ir",
+    "username_claimed": "kossher",
+    "username_unclaimed": "noonewouldeverusethis7"
+  },
+  "Youtube Channel": {
+    "errorType": "status_code",
+    "errorCode": 404,
+    "headers": {
+      "Cookie": "CONSENT=YES+cb.20210418-17-p0.it+FX+917; "
+    },
+    "url": "https://www.youtube.com/c/{}",
+    "urlMain": "https://www.youtube.com",
+    "username_claimed": "mkbhd",
+    "username_unclaimed": "noonewouldeverusethis7"
+  },
+  "Youtube User": {
+    "errorType": "status_code",
+    "errorCode": 404,
+    "headers": {
+      "Cookie": "CONSENT=YES+cb.20210418-17-p0.it+FX+917; "
+    },
+    "url": "https://www.youtube.com/user/{}",
+    "urlMain": "https://www.youtube.com",
+    "username_claimed": "pewdiepie",
+    "username_unclaimed": "noonewouldeverusethis7"
   }
 }