diff --git a/modules/servers/tyr/dns.nix b/modules/servers/tyr/dns.nix
index a92d82f..9c7f9f7 100644
--- a/modules/servers/tyr/dns.nix
+++ b/modules/servers/tyr/dns.nix
@@ -31,6 +31,7 @@
           "pro" = [
             ''
               jnn-pa.googleapis.com
+              challenges.cloudflare.com
             ''
           ];
         };