Nmap scan report for halifax.rwth-aachen.de (137.226.111.253)
Host is up (0.18s latency).
rDNS record for 137.226.111.253: www.halifax.rwth-aachen.de
Not shown: 992 closed tcp ports (reset)
PORT STATE SERVICE
80/tcp open http
135/tcp filtered msrpc
139/tcp filtered netbios-ssn
443/tcp open https
445/tcp filtered microsoft-ds
1433/tcp filtered ms-sql-s
2323/tcp filtered 3d-nfsd
8291/tcp filtered unknown
Nmap done: 1 IP address (1 host up) scanned in 8.61 seconds