List of best mirrors for IP address 18.216.115.79, 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-common_2019.2.0~legacy20240219.1c52e83-18_all.deb