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  <xsd:element id="dx_NotionalAmountofDerivativeInstrumentsAdded" name="NotionalAmountofDerivativeInstrumentsAdded" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="dx_NotionalAmountofDerivativeInstrumentsMaturingSettledTerminatedorPairedOff" name="NotionalAmountofDerivativeInstrumentsMaturingSettledTerminatedorPairedOff" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="dx_Notionalbalanceforinterestonlysecurities" name="Notionalbalanceforinterestonlysecurities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="dx_NumberOfCounterpartiesBorrowingAvailability" name="NumberOfCounterpartiesBorrowingAvailability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="dx_NumberOfCounterpartiesBorrowingsOutstanding" name="NumberOfCounterpartiesBorrowingsOutstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="dx_Originaltermtomaturity" name="Originaltermtomaturity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="dx_Parvalueofavailableforsaledebtsecurity" name="Parvalueofavailableforsaledebtsecurity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="dx_TypeofIssuerAxis" name="TypeofIssuerAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="dx_TypeofIssuerDomain" name="TypeofIssuerDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="dx_Variationmargin" name="Variationmargin" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="dx_WAVGinterestrateforamountoutstandingwithnamedcounterparty" name="WAVGinterestrateforamountoutstandingwithnamedcounterparty" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
</xsd:schema>
