# File lib/Dnsruby/update.rb, line 174
    def absent(*args)
      ttl = 0
      rdata = ""
      klass = Classes.NONE
      if (args.length>=1) # domain (RFC2136, Section 2.4.5)

        name = args[0]
        type = Types.ANY
        if (args.length==2) # RRSET (RFC2136, Section 2.4.3)

          type = args[1]
        end
        rec = RR.create("#{name} #{ttl} #{klass} #{type} #{rdata}")
        add_pre(rec)
        return rec
      else
        raise ArgumentError.new("Wrong number of arguments (#{args.length} for 1 or 2) for Update#absent")
      end
    end