<DOCUMENT>
<TYPE>EX-99.1350CERT
<SEQUENCE>3
<FILENAME>section906.txt
<DESCRIPTION>SECTION 906
<TEXT>
Exhibit 99.1350CERT


   Certification Pursuant to Section 906 of the Sarbanes Oxley Act

I, Robert C. Doll, Jr., Chief Executive Officer of MuniHoldings
Insured Fund II, Inc. (the "Fund"), certify that:

1. The N-CSR of the Fund (the "Report") fully complies with the
   requirements of Section 13(a) or 15(d) of the Securities
   Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all
   material respects, the financial condition and results of
   operations of the Fund.


Dated: May 23, 2005


                                 /s/ Robert C. Doll, Jr.
                                 -----------------------
                                 Robert C. Doll, Jr.,
                                 Chief Executive Officer of
                                 MuniHoldings Insured Fund II, Inc.


A signed original of this written statement required by Section 906,
or other document authenticating, acknowledging, or otherwise
adopting the signature that appears in typed form within the
electronic version of this written statement required by Section
906, has been provided to MuniHoldings Insured Fund II, Inc. and
will be retained by MuniHoldings Insured Fund II, Inc. and furnished
to the Securities and Exchange Commission or its staff upon request.



Exhibit 99.1350CERT


   Certification Pursuant to Section 906 of the Sarbanes Oxley Act


I, Donald C. Burke, Chief Financial Officer of MuniHoldings Insured
Fund II, Inc. (the "Fund"), certify that:

1. The N-CSR of the Fund (the "Report") fully complies with the
   requirements of Section 13(a) or 15(d) of the Securities
   Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all
   material respects, the financial condition and results of
   operations of the Fund.


Dated: May 23, 2005


                                 /s/ Donald C. Burke
                                 -------------------
                                 Donald C. Burke,
                                 Chief Financial Officer of
                                 MuniHoldings Insured Fund II, Inc.


A signed original of this written statement required by Section 906,
or other document authenticating, acknowledging, or otherwise
adopting the signature that appears in typed form within the
electronic version of this written statement required by Section
906, has been provided to MuniHoldings Insured Fund II, Inc. and
will be retained by MuniHoldings Insured Fund II, Inc. and furnished
to the Securities and Exchange Commission or its staff upon request.

</TEXT>
</DOCUMENT>
