diff --git a/dot_config/fish/private_functions/showcert.fish b/dot_config/fish/private_functions/showcert.fish
new file mode 100644
index 0000000..9de2a94
--- /dev/null
+++ b/dot_config/fish/private_functions/showcert.fish
@@ -0,0 +1,3 @@
+function showcert
+openssl s_client -connect $argv[1]:443 -servername $argv[1] -showcerts < /dev/null
+end