removed few invalid takeovers

dns/azure-cnames-finder.yaml

@@ -16,6 +16,7 @@ dns:
       matchers:
       - type: word
         words: 
+          - "NXDOMAIN"
           - "azure-api.net"
           - "azure-mobile.net"
           - "azurecontainer.io"
@@ -38,3 +39,4 @@ dns:
           - "servicebus.windows.net"
           - "trafficmanager.net"
           - "visualstudio.com"
+         

subdomain-takeover/detect-all-takeovers.yaml

@@ -5,9 +5,11 @@ info:
   author: "melbadry9 & pxmme1337"
   severity: high
 
-  # update this list with new takeovers matchers
-  # do not delete other template files for takeover
+  # Update this list with new takeovers matchers
+  # Do not delete other template files for takeover
   # https://github.com/EdOverflow/can-i-take-over-xyz
+  # You need to claim the cname the subdomain to confirm the takeover. 
+  # Do not report this without claiming the cname.
 
 requests:
   - method: GET
@@ -79,11 +81,6 @@ requests:
         - herokucdn.com/error-pages/no-such-app.html
         - "<title>No such app</title>"
 
-      - type: word
-        name: instapage
-        words:
-        - You've Discovered A Missing Link. Our Apologies!
-
       - type: word
         name: tictail
         words:
@@ -276,11 +273,6 @@ requests:
         words:
         - is not a registered InCloud YouTrack.
 
-      - type: word
-        name: azure
-        words:
-        - 404 Web Site not found
-
       - type: word
         name: readme
         words: