To verify that its still connected, click your mouse over the Green "Spotting" text in the "Status of DX Cluster" box.
You will see a "Test Sent <CR>" appear in the box
If it then changes back to "Spotting", its good, but if it continues to say "Test Sent <CR>", then the cluster is bad or crashed.
I just tried connecting to pa1rbz.dyndns.org:9000 using telnet
I get a login screen asking for my callsign
But when i put in my ke9ns callsign, nothing happens, so their is an issue on their end as of 3:54 UTC Aug 22
Creator of PowerSDR KE9NS v2.8, based on the Flex Radio PowerSDR v2.7.2 software.
Flex-5000, LDMOS and Titan Amps, G5RV, and Mosley TA-33 Junior