List of best mirrors for IP address 3.138.174.45, 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/qtbase5-doc-html_5.15.2+dfsg-9+rpi1_all.deb