diff --git a/data/StevenBlack/hosts b/data/StevenBlack/hosts
index bf13de3d4..2cd785646 100644
--- a/data/StevenBlack/hosts
+++ b/data/StevenBlack/hosts
@@ -3143,5 +3143,8 @@
 0.0.0.0 admixer.md
 
 # Added March 22, 2026
-0.0.0.0 proxy.optoutadvertising.com a
-0.0.0.0 cdn.optoutadvertising.com.
+0.0.0.0 proxy.optoutadvertising.com
+0.0.0.0 cdn.optoutadvertising.com
+
+# Added March 25, 2026
+0.0.0.0 cstasa.ca