shell:$ nslookup -timeout=2 -retry=1 'juanluisnet502.duckdns.org'
;; communications error to 75.98.161.224#53: timed out
Server:		69.39.86.5
Address:	69.39.86.5#53

Non-authoritative answer:
Name:	juanluisnet502.duckdns.org
Address: 104.18.204.90
;; communications error to 75.98.161.224#53: timed out