Fastweb: dns1: 85.18.200.200 dns2: 213.140.2.12 Google: dns1: 8.8.8.8 dns2: 8.8.4.4 Intred: dns1: 62.97.32.21 dns2: 62.97.33.21 Welcome Italia: dns1: 80.93.143.42 dns2: 80.93.143.44 Telecom Italia Business: dns1: 151.99.0.100 dns2: 151.99.125.1 Telecom Alice: dns1: 212.216.112.112 dns2: 212.216.172.62