0l3.de is an urlshortener so from time to time it appears on
I'm the owner of 0l3.de and look on such blacklists for harming and
/ or spam links shortened. I apologize for them.
But different to most other urlshorteners 0l3.de doesn't log who
used the service and where it is used. Also there is an option to
mark adult content. If you access a marked link a warning appears
which prompt children (in german) to look for an adult. These
warnings are also equipped with a RTA-label.
The site is also equipped with a seal of the german campaign
"wir speichern nicht" which means I don't held log files.