List of best mirrors for IP address 3.16.203.27, located in an unknown country.
I am very sorry, but no mirror was found. Feel free to download directly:
http://mirrordirector-mb.raspbian.org/raspbian/pool/main/x/xfce4-dev-tools/xfce4-dev-tools_4.18.1-1+b1_armhf.deb