telnet towel.blinkenlights.nl you’ll likely get a connection timeout or a refusal.
That service has been (since around 2021–2022 intermittently, and more permanently since mid-2023 for many users). The original server was maintained by a Dutch hacker group, but it seems the telnet daemon is no longer running. towel.blinkenlights.nl down
It looks like you’re referring to the classic that used to run via Telnet at towel.blinkenlights.nl . telnet towel
If you try: