I do withdraw DGB on 8 january 2018. in history is written complete and give Txid: ce763bcb6b0ca4a358924e441d9424d8896f7d8b672f3c38cb99dd9ad2fcbbe3 https://prntscr.com/hzb2ml
there are even many users who have experienced the same problem since a few months ago and never resolve the case (there are some people who resolved case but many others people unresolve like me)
Updated 12 january : After Make thread on this forum. Support gives answers. they say that it happens because under high network congestion levels. but this issue has not been resolved yet. Lets Wait and See
Updated 13 january : Still unresolved, not receive my coin back Updated 14 january : Still unresolved, has been 6 days Updated 15 january : Still unresolved, has been 7 days