My URL shortener, 4.l.to, is down because all the .l.to subdomains, managed through FreeDNS, are down too. There’s little information available and all I know is that the subdomain is broken since 19th March, as said on the FreeDNS subdomain management page.
There aren’t any planned times to have the service restored – as I hope you understand, this is completely out of my control. In the meantime, all the links shortened with 4.l.to, which were over 500, are broken.
If you have any information that can help find what’s the future for the l.to subdomains, don’t forget to write a comment in this post. And, if you happen to have a short URL which you don’t mind donating for URL shortening (I can share the advertisements profits), I will consider moving/renaming 4.l.to while preserving all links (since the server is up and with daily backups).