The homepage in the ebuild no longer works. Debian specifies: https://dymo.custhelp.com/app/answers/detail/a_id/101#lw_linux As of today, that works.
[master 570b964] net-print/dymo-cups-drivers: Fix homepage (#538256 by James Cloos) 1 file changed, 2 insertions(+), 3 deletions(-)