rec {
  elnu = "100.64.0.1";
  elnudrop = "100.64.0.2";
  elnuhub = "100.64.0.3";
  hosts = ''
    ${elnu} elnu.elnu.com
    ${elnudrop} elnudrop.elnu.com
    ${elnuhub} elnuhub.elnu.com
  '';
}