Cyber security experts, network administrators using Nmap (“Network Mapper”) open source tool for network exploration and security auditing. If you want to scan your target with nmap tool without any additional installations, skills, or it is lazy to configure or open terminal and enter this commands then nmap.online for you.
nmap -F [hostname]
[hostname] - is your host name or IP address
This command scan just the most popular 100 ports with the -F (fast scan) option.
Nmap is a free and open-source network scanner. Nmap is used to discover hosts and services on a computer network by sending packets and analyzing the responses.
Nmap provides a number of features for probing computer networks, including host discovery and service and operating system detection. These features are extensible by scripts that provide more advanced service detection, vulnerability detection, and other features. Nmap can adapt to network conditions including latency and congestion during a scan.