List of best mirrors for IP address 18.223.158.29, 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/qtbase-opensource-src/qtbase-opensource-src_5.11.3+dfsg1-1+rpi1+deb10u5.debian.tar.xz