diff --git a/cheatsheets/special-tools.md b/cheatsheets/special-tools.md
index c83c4f1..8bc2497 100644
--- a/cheatsheets/special-tools.md
+++ b/cheatsheets/special-tools.md
@@ -30,6 +30,7 @@ otherapp.10.0.0.1.nip.io
 
 **Reconnaissance**
 
+- https://spyse.com (fully-fledged recon service)
 - https://dnsdumpster.com (DNS and subdomain recon)
 - [Reverse IP Lookup](http://reverseip.domaintools.com/) (Domainmonitor)
 - [Security headers](https://securityheaders.io/) (Security Report, missing headers)