"It looks like the machine hit is in the top of the DNS tree, " Hania said.

CNN: Microsoft Web sites suffer large scale blackout

Hania said, however, it is more likely that a network error or system failure caused the problem.

CNN: Microsoft Web sites suffer large scale blackout

But Rogo's wife, Hania Said, claimed Monday the shooters were Kenyan police.

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The opinions expressed in this commentary are solely those of Hania Sholkamy.

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Hackers could be responsible for the outage that has continued for hours now, said Simon Hania, spokesman for Dutch Internet service provider XS4ALL Internet BV.

CNN: Microsoft Web sites suffer large scale blackout