Host ip-213-49-129-5.dsl-static.scarlet.be (213.49.129.5) appears to be up ... good.
Interesting ports on ip-213-49-129-5.dsl-static.scarlet.be (213.49.129.5):
Not shown: 1691 filtered ports
PORT     STATE  SERVICE       VERSION
23/tcp   closed telnet
25/tcp   open   smtp          Microsoft ESMTP 6.0.3790.1830
80/tcp   open   http          Microsoft IIS webserver 6.0
443/tcp  open   ssl/http      Microsoft IIS webserver 6.0
1723/tcp open   pptp?
3389/tcp open   microsoft-rdp Microsoft Terminal Service
Device type: general purpose
Running (JUST GUESSING) : Microsoft Windows 2003 (85%)
Aggressive OS guesses: Microsoft Windows 2003 Server SP1 (85%)
No exact OS matches for host (test conditions non-ideal).
Service Info: Host: bockaertorthopedie.be; OS: Windows