What is the oldest piece of complete DNA yet sequenced?

Of course, if you are a Creationist then the answer is pretty simple. Nothing is over about 6,600 years old, so there’s a fairly small window of time to evaluate, and you simply throw out all conflicting evidence because you know your time scale is right, so the evidence before your eyes has to be wrong.

But for the more scientifically minded, there are serious hurdles to overcome in researching the answer to this question. Every website that states an oldest DNA age seems to have its own answer. And of course, part of the problem is that newer and newer discoveries keep pushing the date further back in time. What can you cite that seems to give a definitive answer, and why do you feel it is the right answer?