OpenWrt 22.03 i386_pentium4 repository for dnsdist
To install the dnsdist package, run
echo "src/gz pdns https://repo.powerdns.com/openwrt/OpenWrt_22.03/i386_pentium4/dnsdist" >> /etc/opkg/customfeeds.conf
opkg update
opkg install dnsdist # or dnsdist-full if you need all the features