My IP, geo, request tools
My IP info, proxy headers
My IP, GEO info, country, city
My request $_SERVER vars
User-Agent tools
My User Agent information
Custom User Agent lookup
Email Address tools
Verify E-MAIL for exist
Trace E-MAIL sender location
Find E-MAIL box location
DNS and WHOIS tools
Find e-mail/domain MX
Domain lookup NS records
Domain A record Lookup
PTR lookup
Domain DNS Lookup
Domain WHOIS info Lookup
Advanced WHOIS Lookup Tool
Custom IP info, reverse lookup
IP info Lookup
Reverse Lookup
IP/Domain/Url Trace-Ping tools
Online Ping
Check/Search Ports tools
Search PORT description

check open ports,check for listening ports tool,domain/hostname/IP/URL

On this page you can check opened ports of domain/hostname/IP, it's the same as check listening of ports.
This tool trying to create port connection, connection timeout is 4 sec.
How to check available ports: just input destination in first field, and port (in listbox) or list of ports (in third field). After submit tools will scan ports.
Port Scanning is one of the most popular service of attackers, they use it to discover services they can break into. All machines connected to a Local Area Network (LAN) or Internet run many services that listen at well-known and not so well known ports. Essentially, a port scan consists of sending a message to each port, one at a time. The kind of response received indicates whether the port is used and can therefore be probed further for weakness.
A port scanner is a software application designed to probe a network host for open ports. To portscan a host is to scan for listening ports on a single target host. *This tool check ip open port too. You can scan port from list that is near fisrt input field too, but if third field is inputed - tools will use it, but not value from listbox.
Sometime if need to know some web server is dead or not, this tool can help you, because if www-80 is closed - it is when server is www inaccessible, else it's stay to recieve connections.
 WIKI links :    what is port scaner, open port checker, how it's working

[] it's subdomain of []. Thats why [] can exist but [] not exist and [] can exist but [] - not.
According to our users suggestions, we add support of URL, now you can use check opened ports for URL.
you can use port from listbox or input 1-5 ports as text (example: 113,440,660,1123,8080)
Example of group ports scan: example of group ports scan
port: or