Open Port Checker

Check whether common TCP ports (HTTP, HTTPS, SSH, FTP, SMTP, MySQL, RDP, and more) are open on a target host.

21
FTP
—
22
SSH
—
25
SMTP
—
53
DNS
—
80
HTTP
—
110
POP3
—
143
IMAP
—
443
HTTPS
—
465
SMTPS
—
587
SMTP TLS
—
993
IMAPS
—
995
POP3S
—
3306
MySQL
—
3389
RDP
—
5432
PostgreSQL
—
6379
Redis
—
8080
HTTP alt
—
27017
MongoDB
—

Powered by the public check-host.net TCP scan. A "closed" result means the port is not accepting connections from the test node.