diff --git a/public/arf.json b/public/arf.json
index ca2b87e..f0fd1b6 100644
--- a/public/arf.json
+++ b/public/arf.json
@@ -300,6 +300,11 @@
         "type": "url",
         "url": "http://whois.domaintools.com/"
       },
+      {
+        "name": "SWITCH Internet Domains Whois (.ch)",
+        "type": "url",
+        "url": "https://www.nic.ch/whois/"
+      },
       {
         "name": "Domain Big Data",
         "type": "url",