What does NDN stand for?
NDN stands for "Negative Delivery Notifications"
How to abbreviate "Negative Delivery Notifications"?
"Negative Delivery Notifications" can be abbreviated as NDN
What is the meaning of NDN abbreviation?
The meaning of NDN abbreviation is "Negative Delivery Notifications"
What does NDN mean?
NDN as abbreviation means "Negative Delivery Notifications"
