🔍 Advanced Port Checker

Check if a port is open on any host

Host / IP Address:

Port Number:

20
FTP Data

21
FTP Control

22
SSH

23
Telnet

25
SMTP

53
DNS

80
HTTP

110
POP3

143
IMAP

443
HTTPS

465
SMTPS

587
SMTP (Submission)

Timeout (seconds):

Simple check:
?host=example.com&port=80 → Returns 1 (open) or 0 (closed)

JSON response:
?host=example.com&port=80&format=json

Scan multiple ports:
?host=example.com&scan=80,443,8080