Port Check
NetworkTest whether a TCP port is open and how fast it connects — over IPv4 and IPv6.
Use this from the command line
curl 'https://ipcow.com/api/probe/tcp?host=cloudflare.com&port=443'Test whether a TCP port is open and how fast it connects — over IPv4 and IPv6.
curl 'https://ipcow.com/api/probe/tcp?host=cloudflare.com&port=443'