Install libqjdns-qt5-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libqjdns-qt5-dev
Simple DNS queries library Qt5 wrapper - development files
JDNS is a simple DNS implementation that can perform normal DNS queries of any record type (notably SRV), as well as Multicast DNS queries and advertising. . The libqjdns-qt5-dev package contains libraries and header files for developing Qt5 applications that use qjdns.