Resolve
Confirm DNS and surface the addresses this probe node can actually see.
Network diagnostic console
Is it reachable
from here?
Test a host, IP, URL, port, or network path using several independent signals—not a misleading ping alone.
Connect
Try relevant TCP services. A refusal still tells us more than a silent timeout.
Interpret
Separate confirmed reachability from “inconclusive” firewall and routing behavior.