Specify specific port types and numbers with nmap to scan.

sudo nmap -p T8888,80 sharewiz.net

result:

Starting Nmap 6.40 ( http://nmap.org ) at 2016-07-08 00:56 BST
Nmap scan report for sharewiz.net (5.42.134.35)
Host is up (0.0023s latency).
rDNS record for 5.42.134.35: bbdp5.42.134.35.network.sure.com
PORT     STATE  SERVICE
80/tcp   open   http
8888/tcp closed sun-answerbook
 
Nmap done: 1 IP address (1 host up) scanned in 1.73 seconds