Blaeu

• blaeu-cert(1) blaeu-cert : (display the PKIX certificate)
• blaeu-reach(1) blaeu-reach : (test reachability of the target, like ping)
• blaeu-resolve(1) blaeu-resolve : (use the DNS to resolve the name)
• blaeu-traceroute(1) blaeu-traceroute : (like traceroute)