diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
index 8baab2bf1..fa62aa12d 100644
--- a/CODE_OF_CONDUCT.md
+++ b/CODE_OF_CONDUCT.md
@@ -9,3 +9,22 @@ This is a Code of Conduct for any interactions in this repository. This includes
 If you believe a domain that has been registered using this service is abusing our terms, you can report it by creating an issue.
 
 The abuse reports will be investigated and the necessary action will be taken.
+
+## Explicitly disallowed usage
+- Online stores/shopping websites
+- Gambling websites
+- Game cheat sites
+- CDNs distributing potentially malicious content (APKs, executables)
+- 'Unblocked' gaming websites
+- Alternate URLs for commonly blocked websites (e.g. gambling/casino websites)
+- Websites containing 18+ content
+- Mass emailing (e.g. newsletters, mailing lists)
+- File-sharing or torrenting websites distributing copyrighted material
+- Cryptocurrency mining sites or tools
+- Hacking or cybersecurity exploit websites
+- Phishing or fraudulent websites
+- Websites hosting illegal or pirated software
+- Proxy or VPN services bypassing network restrictions
+- Online services for identity theft or forgery
+- Platforms promoting self-harm or violence
+- Illegal drug marketplaces