Usage: DnsCmd /TrustAnchorDelete /f - name of node from which a record will be deleted - DNSKEY - data for the DNSKEY including ...

Usage: DnsCmd  /TrustAnchorDelete    [/f]
          -- name of node from which a record will be deleted
            -- DNSKEY
            -- data for the DNSKEY including the following
                          
             -- 256=Zone Signing Key (Zone Key flag)
                       257=Key Signing Key (Zone Key flag and Secure Entry 
                           Point flag)
       -- 3=DNSSEC
   -- 5=RSA-SHA1
        -- Public key binary data in base64 notation
  /f                -- Execute without asking for confirmation