If you saw this string inside a message, a text file, or a chat log, consider these scenarios:
tl domain or check for this string in specific ? juliaestacaliente.es.tl.z-24
If you want, I can:
Attackers use obscure free domains because they are cheap (zero cost) and disposable. The .z-24 may be a tracking parameter to identify which victim clicked which email campaign. If you saw this string inside a message,