For some reason I thought I had to do it using telnet but I could be wrong.
DNS Server Entries:
DNS Server Source Metric Intf State Domain
D 87.194.0.51 0 O2_ADSL2plus UP *
D 87.194.0.52 0 O2_ADSL2plus UP *
D 87.194.0.66 0 O2_ADSL2plus UP *