Were my loans PAID OFF when I refinanced in 2007?

Below is the info I gleaned from the MERS/Investor info page. This really brought back the questions I had about not receiving any documents in return for my 1ST mortgage. I’m sure somebody here knows the answer. Question posed at the bottom of page.

MERS INVESTOR SEARCH--1ST & 2ND Mortgages PAID OFF w/2007 BofA REFINANCE


*Washington Mutual 2ND /15yr Mortgage-Received original blue ink docs from Wells Fargo after 2007 payoff. Also discovered that loan wasn’t even funded until a month after consummation.
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Additionally, borrowers wishing to learn the identity of their loan's investor must confirm their identity by entering their last name or corporation name as well as their SSN or TIN. If this information does not match the information contained in the MERS® System for the borrower of the loan, the investor information will not be displayed. Borrowers should verify the results with their loan servicer.

Servicer: FDIC as Receiver for Washington Mutual Bank
Phone:(800) 848-9136
Monroe, LA

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*GMAC 1ST /15yr Mortgage-Did not receive original docs after 2007 payoff, even after request
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Additionally, borrowers wishing to learn the identity of their loan's investor must confirm their identity by entering their last name or corporation name as well as their SSN or TIN. If this information does not match the information contained in the MERS® System for the borrower of the loan, the investor information will not be displayed. Borrowers should verify the results with their loan servicer.

Servicer: GMAC Mortgage, LLC
Phone:(800) 766-4622
Waterloo, IA

Investor: Federal Home Loan Mortgage Corporation

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BIG??-I don’t have any assignment or anything else recorded that indicated GMAC transferred/sold or ? my loan to FHLMC Freddie Mac, BUT after the 2007 refinance with BofA, in Nov 2009 when my loan servicing was changed from BofA, NA to BAC Home Loan Servicing, FLHMC LBAC 133 was the indicated as my loan owner AND THERE STILL ISN’T ANY ASSIGNMENT. I received a RECORDED FULL RECONVEYANCE for each loan.

Could my GMAC loan still be out there and it was not refinanced at all, since they wouldn’t send me the docs after the PAYOFF?