List of best mirrors for IP address 3.12.73.221, located in an unknown country.
I am very sorry, but no mirror was found. Feel free to download directly:
http://mirrordirector-mb.raspbian.org/multiarch/pool/main/o/openldap/slapd-contrib-dbgsym_2.4.56+dfsg-1+rpi1+b1_arm64.deb