nixos-module/container/dns: add ns.spaceboyz.net over dn42 to slaves

nix/nixos-module/container/dns.nix

@@ -98,6 +98,7 @@ in
               217.197.84.53;
               2001:67c:1400:2240::a;
               # ns.spaceboyz.net
+              172.22.24.4;
               95.217.229.209;
               2a01:4f9:4b:39ec::4;
             };