Port check for IPv4:
23.251.226.2
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Internet Protocol Address:
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open
0
close
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port
Description
Status (query time)
80
Hypertext Transfer Protocol (HTTP)
close (2001 ms)
21
FTP control (command)
close (2001 ms)
22
Secure Shell (SSH), secure logins, file transfers (scp, sftp) and port forwarding
close (2001 ms)
23
Telnet protocol—unencrypted text communications
close (2001 ms)
25
Simple Mail Transfer Protocol (SMTP), used for e-mail routing between mail servers
close (2001 ms)
53
Domain Name System (DNS)
close (2001 ms)
5060
Session Initiation Protocol (SIP)
close (2001 ms)
3389
Microsoft Terminal Server (RDP) officially registered as Windows Based Terminal (WBT)
close (2001 ms)
3306
MySQL database system
close (2001 ms)
1723
Microsoft Point-to-Point Tunneling Protocol (PPTP)
close (2001 ms)
5900
Remote Frame Buffer protocol (RFB), Virtual Network Computing (VNC) remote desktop protocol
close (2001 ms)
110
Post Office Protocol v3 (POP3)
close (2001 ms)