diff --git a/zsh/plgs/aliases.zsh b/zsh/plgs/aliases.zsh
index 14bf01b..83bd015 100644
--- a/zsh/plgs/aliases.zsh
+++ b/zsh/plgs/aliases.zsh
@@ -6,3 +6,5 @@ alias lt='exa -aT --color=always --group-directories-first'
 alias rm='rm -i'
 alias cp='cp -i'
 alias mv='mv -i'
+
+alias duplHostKeys='cat ~/.ssh/known_hosts | egrep -v "mesh.eu|inetbone.net" | cut -d" " -f3 | sort | uniq -d'