They might only be an assigned agent of the OC, or they may have purchased the debt. It really does not matter at this point as to their dunning notice of your DV rights.
Deletion after a DV usually signifies that the debt collector has teminated their collection authority.
It is not uncommon to see a deletion of a collection after a DV, but it is kinda unusual to see a deletion followed by a dunning notice.
But agains, it is not really relevant as to next steps.
If your DV was timely, they cannot reinsert theri collection without first sending debt validation.
You might see a new debt collector come on the scene, in which case you must send them a new DV to restart the debt validation process with them.
