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nmap www.sina.com.cn
Starting Nmap 5.51 ( http://nmap.org ) at 2016-11-17 13:58 CST
Nmap scan report for www.sina.com.cn (218.30.108.232)
Host is up (0.015s latency).
Not shown: 980 closed ports
PORT     STATE    SERVICE
21/tcp   filtered ftp
22/tcp   filtered ssh
23/tcp   filtered telnet
80/tcp   open     http
135/tcp  filtered msrpc
139/tcp  filtered netbios-ssn
161/tcp  filtered snmp
389/tcp  filtered ldap
445/tcp  filtered microsoft-ds
593/tcp  filtered http-rpc-epmap
873/tcp  filtered rsync
901/tcp  filtered samba-swat
1025/tcp filtered NFS-or-IIS
3128/tcp filtered squid-http
3389/tcp filtered ms-term-serv
4444/tcp filtered krb524
5631/tcp filtered pcanywheredata
5900/tcp filtered vnc
6129/tcp filtered unknown
6667/tcp filtered irc
Nmap done: 1 IP address (1 host up) scanned in 16.15 seconds