shell:$ nslookup -timeout=2 -retry=1 'cellcdns.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: cellcdns.duckdns.org Address: 43.251.180.254