Not all DD signatures shown in keycheck

My key (AD6916967393982B) is signed by Holger Levsen (091ab856069aaa1c) but his signature is not shown at https://nm.debian.org/process/1034/keycheck/. My key is uploaded to keyserver.ubuntu.com (and keyring.debian.org as well).

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information