List of best mirrors for IP address 3.15.29.14, 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/o/opendnssec/opendnssec-signer_2.1.13-1.2+b22_armhf.deb