shell:$ nslookup -timeout=2 -retry=1 'app.eurosoft-dz.com' Server: 75.98.161.224 Address: 75.98.161.224#53 Non-authoritative answer: app.eurosoft-dz.com canonical name = eurosoft-app.ddns.net. Name: eurosoft-app.ddns.net Address: 105.99.101.53