On 06/02/2016 07:28, Olliver Schinagl wrote:

; BIND db file for ad servers - point all addresses to an invalid IP
$TTL    864000  ; ten days

@       IN      SOA     ns0.example.net. hostmaster.example.net. (
                          2008032800       ; serial number YYMMDDNN
                          288000   ; refresh  80 hours
                          72000    ; retry    20 hours
                          8640000  ; expire  100 days
                          864000 ) ; min ttl  10 day
                  NS      ns0.example.net.

                  A       0.0.0.0

*               IN      A       0.0.0.0



Why point them to an IP at all, just use TTL and SOA , no A no nothing else.

They'll get NXDOMAIN when trying to look it up, problem solved.


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