/Aging - Specifies that this resource record is eligible for scavenging. If this parameter is not used, the resource record ...

  /Aging            -- Specifies that this resource record is eligible for
                       scavenging. If this parameter is not used, the resource
                       record will not be scavenged.
  /OpenAcl          -- Specifies that new records are open to modification by
                       any user until the first update. Without this parameter,
                       only administrators may modify the new record.
  /CreatePTR        -- Specifies that when this A or AAAA resource record is
                       created the corresponding PTR record should also be
                       created in the reverse lookup zone if that zone exists
                       on the local server.