diff --git a/content/blog/rfcartography.md b/content/blog/rfcartography.md
index 364fa57..71b4336 100644
--- a/content/blog/rfcartography.md
+++ b/content/blog/rfcartography.md
@@ -90,7 +90,7 @@ Further, it does not add links to the nodes if different shapes are used for dif
 
 ![A graph of the relations of RFC2322 (Management of IP numbers by peg-dhcp) generated by RFCartography]({static}/blog/rfcartography/2322.svg "A graph of the relations of RFC2322 (Management of IP numbers by peg-dhcp) generated by RFCartography")
 
-You can try RFCartography yourself on [rfcartography.net](https://rfcartography.net/ "RFCartography").
+You can try RFCartography yourself on [rfcartography.undefinedbehavior.de](https://rfcartography.undefinedbehavior.de/ "RFCartography").
 The source code can be found [here](https://git.undefinedbehavior.de/undef/RFCartography "RFCartography - undefined git server").
 I'm not sure whether this project is actually useful for anyone, but it was fun to build it.