if you need a forwarder for your dns server or if your provider has a dns problem, just enter one of these dns servers to get back online again.
Bluewin:
pimary dns server: 195.186.1.111
secundary dns server: 195.186.4.111
Green:
pimary dns server: 81.221.250.10
secundary dns server: 81.221.252.10
Google:
pimary dns server: 8:8:8:8