diff --git a/services/Certificate-Authority.md b/services/Certificate-Authority.md
index 55dc286..a842e07 100644
--- a/services/Certificate-Authority.md
+++ b/services/Certificate-Authority.md
@@ -39,4 +39,4 @@ X0KmpxYGil6Ly5xImaVqwxnm7wlDiNT6vd0cPgtKd/YynPFNw9Eh+MSamw==
 -----END CERTIFICATE-----
 ```
 
-If you would like to have a certificate signed by this CA send a CSR to dn42@xuu.cc
\ No newline at end of file
+If you would like to have a certificate signed by this CA send a CSR to xuu@sour.is
\ No newline at end of file