Performing a basic port scan (nmap -F websmurfer.devnull.net)
Nmap scan report for websmurfer.devnull.net (206.225.173.4)
Host is up (0.033s latency).
Other addresses for websmurfer.devnull.net (not scanned): 206.225.173.5
rDNS record for 206.225.173.4: sinbad.devnull.net
Not shown: 86 closed ports
PORT STATE SERVICE
13/tcp open daytime
22/tcp open ssh
23/tcp filtered telnet
37/tcp open time
53/tcp open domain
80/tcp open http
113/tcp open ident
135/tcp filtered msrpc
139/tcp filtered netbios-ssn
443/tcp open https
445/tcp filtered microsoft-ds
1900/tcp filtered upnp
6000/tcp filtered X11
6001/tcp filtered X11:1
Nmap done: 1 IP address (1 host up) scanned in 7.60 seconds