List of best mirrors for IP address 18.117.168.40, 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/q/qt6-base/libqt6concurrent6-dbgsym_6.4.2+dfsg-7+rpi1_arm64.deb