Nézzük...

nmap -A sns.sk

Starting Nmap 4.53 ( http://insecure.org ) at 2010-06-04 14:37 CEST
SCRIPT ENGINE: rpcinfo.nse is not a file.
SCRIPT ENGINE: Aborting script scan.
Interesting ports on lsd.websupport.sk (94.124.147.119):
Not shown: 1692 closed ports
PORT STATE SERVICE VERSION
21/tcp open ftp ProFTPD
22/tcp open ssh OpenSSH 4.5 (protocol 2.0)
25/tcp open smtp Postfix smtpd
64/tcp filtered covia
80/tcp open http Apache httpd
90/tcp filtered dnsix
110/tcp open pop3 Courier pop3d
113/tcp open ident
143/tcp open imap Courier Imapd (released 2008)
162/tcp filtered snmptrap
443/tcp open ssl/http Apache httpd
465/tcp open ssl/smtp Postfix smtpd
587/tcp open smtp Postfix smtpd
914/tcp open rquotad 1-2 (rpc #100011)
988/tcp filtered unknown
993/tcp open ssl/imap Courier Imapd (released 2008)
995/tcp open ssl/pop3 Courier pop3d
1009/tcp filtered unknown
1337/tcp open ssh (protocol 2.0)
1720/tcp filtered H.323/Q.931
2027/tcp filtered shadowserver
6005/tcp filtered X11:5
1 service unrecognized despite returning data. If you know the service/version, please submit the following fingerprint at http://www.insecure.org/cgi-bin/servicefp-submit.cgi :
SF-Port1337-TCP:V=4.53%I=7%D=6/4%Time=4C08F3B1%P=i686-pc-linux-gnu%r(NULL,
SF:20,"SSH-2\.0-OpenSSH_5\.1p1\x20Debian-5\r\n");
Service Info: Host: lsd.websupport.sk