sudo systemctl status nsd.service
● nsd.service - Name Server Daemon
   Loaded: loaded (/lib/systemd/system/nsd.service; enabled; vendor preset: enabled)
   Active: active (running) since Tue 2022-01-11 08:34:10 CET; 9h ago
 Main PID: 1031 (nsd)
    Tasks: 3 (limit: 2231)
   CGroup: /system.slice/nsd.service
           ├─1031 /usr/sbin/nsd -d
           ├─1178 /usr/sbin/nsd -d
           └─1195 /usr/sbin/nsd -d

ene 11 08:34:10 box.danpacu.com systemd[1]: Started Name Server Daemon.