Activitat 3.3 Bis - Cerca les direccions DNS

1. DNS Jazztel: 62.14.2.1
2.DNS Telefónica Movistar: 80.58.0.97
3.DNS Ono: 62.42.230.24
4.DNS Vodafone: 212.73.32.3
5.DNS Arrakis: 195.5.64.2
6.DNS Openforyou: 213.195.64.129