diff --git a/link/nix/zshrc b/link/nix/zshrc
index 0cdb13a..7a536df 100644
--- a/link/nix/zshrc
+++ b/link/nix/zshrc
@@ -137,6 +137,8 @@ if [[ `uname` == 'Darwin' ]]; then
   export PATH=$PATH:/usr/local/sbin
 
   alias flushdns='sudo killall -HUP mDNSResponder'
+  alias localdns='sudo networksetup -setdnsservers Wi-Fi empty && sudo networksetup -setdnsservers Wi-Fi 127.0.0.1 ::1 && flushdns'
+  alias stockdns='sudo networksetup -setdnsservers Wi-Fi empty && flushdns'
 
   # Araxis needs to come first so that its tools don't get stomped
   # by ones Homebrew installs to /usr/local/bin. In particular, compare