List of best mirrors for IP address 3.145.177.173, 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/xxsds-dynamic/xxsds-dynamic_1.0~alpha.1+git20210426.548c6f7-2.dsc