Exhibit 32.1 CERTIFICATIONS PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the Annual Report of Castmor Resources Ltd. on Form 10-K for the year ended August 31, 2010 as filed with the Securities and Exchange Commission on the date hereof (the Report), I, Alfonso Quijada, President, Chief Executive Officer, Chief Financial Officer and Principal Accounting Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that: (1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. Date: February 11, 2011 By /s/ Alfonso Quijada Alfonso Quijada Chief Executive Officer, President, Chief Financial Officer and Principal Accounting Officer