FTLDNS as Local/Internal forward & reverse resolution

Pi-hole is resolving name to proper IP as proven below:

Try run below one on one of those workstations on a command line prompt to see which DNS server is answering queries:

nslookup eve-ng

If its anything other than the Pi-hole address, have a look here for proper configuration:

EDIT: You can use same tool to query Pi-hole directly:

nslookup eve-ng <PIHOLE_IP_ADDRESS>