List 6-9　Dynamic DNSのUpdateによる更新

18 DNS: 0x9D7C:Dyn Upd PRE/UPD records to 101.1.168.192.in-addr.arpa. of type Canonical name
      DNS: Query Identifier = 40316 (0x9D7C)
      DNS: DNS Flags = Query, OpCode - Dyn Upd, RCode - No error
          DNS: 0............... = Request
          DNS: .0101........... = Dynamic Update
          DNS: .....0.......... = Server not authority for domain
          DNS: ......0......... = Message complete
          DNS: .......0........ = Iterative query desired
          DNS: ........0....... = No recursive queries
          DNS: .........000.... = Reserved
          DNS: ............0000 = No error
      DNS: Zone Count = 1 (0x1)
      DNS: Prerequisite Section Entry Count = 1 (0x1)
      DNS: Update Section Entry Count = 2 (0x2)
      DNS: Additional Records Count = 1 (0x1)
      DNS: Update Zone: 1.168.192.in-addr.arpa. of type SOA on class INET addr.
          DNS: Update Zone Name: 1.168.192.in-addr.arpa.
          DNS: Update Zone Type = Start of zone of authority
          DNS: Update Zone Class = Internet address class
      DNS: Prerequisite: 101.1.168.192.in-addr.arpa. of type Canonical name on class Unknown Class
          DNS: Resource Name: 101.1.168.192.in-addr.arpa.
          DNS: Resource Type = Canonical name for alias
          DNS: Resource Class = 0x00FE
          DNS: Time To Live = 0 (0x0)
          DNS: Resource Data Length = 0 (0x0)
      DNS: Update: 101.1.168.192.in-addr.arpa. of type Dom. name ptr on class Req. for any(2 records present)
          DNS: Resource Record: 101.1.168.192.in-addr.arpa. of type Dom. name ptr on class Req. for any
              DNS: Resource Name: 101.1.168.192.in-addr.arpa.
              DNS: Resource Type = Domain name pointer
              DNS: Resource Class = Request for any class
              DNS: Time To Live = 0 (0x0)
              DNS: Resource Data Length = 0 (0x0)
          DNS: Resource Record: 101.1.168.192.in-addr.arpa. of type Dom. name ptr on class INET addr.
              DNS: Resource Name: 101.1.168.192.in-addr.arpa.
              DNS: Resource Type = Domain name pointer
              DNS: Resource Class = Internet address class
              DNS: Time To Live = 1200 (0x4B0)
              DNS: Resource Data Length = 23 (0x17)
              DNS: Pointer: PC98.active.dsl.local.
      DNS: Additional Records Section: xxxxxxxxxxxx-x. of type Scrt Key Trans Sig on class Req. for any
		↑追加情報にトランザクション署名が挿入されている
          DNS: Resource Name: xxxxxxxxxxxx-x.
          DNS: Resource Type = Secret Key Transaction Signature
          DNS: Resource Class = Request for any class
          DNS: Time To Live = 0 (0x0)
          DNS: Resource Data Length = 72 (0x48)
          DNS: Additional Resource Data = xx xx xx xx xx xx xx xx xx xx xx...