Nmap scan report for napas.com.vn (123.30.53.40) Host is up (0.20s latency). rDNS record for 123.30.53.40: static.vnpt.vn Not shown: 997 closed tcp ports (reset) PORT STATE SERVICE VERSION 80/tcp open http | fingerprint-strings: | GetRequest, HTTPOptions: | HTTP/1.0 503 Service Unavailable | cache-control: no-cache | content-type: text/html | | | | L | i | | |