# Pastebin CpcDuId2
lsof -Pi
COMMAND     PID            USER   FD   TYPE DEVICE SIZE/OFF NODE NAME
systemd-r   709 systemd-resolve   12u  IPv4    199      0t0  UDP localhost:53 
systemd-r   709 systemd-resolve   13u  IPv4    200      0t0  TCP localhost:53 (LISTEN)