List of best mirrors for IP address 18.117.142.230, 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/d/dolfin/libdolfin-dev_2019.2.0~legacy20240219.1c52e83-1_armhf.deb