Networking tools provided as a public service by hq42.net

Read the HQ42 FAQ, it will help you to quickly become familiar with these tools.

All of these tools have restrictions governing the input they will accept.
Two types of input are acceptable "dotted-quads" that is standard IP addresses like 38.107.191.87
and also simple host names like www.yahoo.com, no http:// or other protocol prefixes are allowed for security reasons.

You may not specify a port for any of these tests, except the "NON Standard Ports" tool. The tests default to the standard port for the service.

Home Page Down Time HQ42 FAQ Port Scanner WhoIs Advanced WhoIs DNS Check beta LookUp LookUp MX Reverse LookUp Remote Ping Advanced Ping Trace Route Message a remote host Test a POP3 server Test a web server Test a DNS server Test an SMTP server Test a telnet server MTR Test an FTP server Comment to SysOp Colors Test an Email Address Subnet Calculator Check Block Lists DiG Finger Test a SSH server NON Standard Ports beta Test SPF Test an IMAP Server hping nmap

Your IP 38.107.191.87 Last Refresh 13 Mar 10 19:05:47 EST 8 now on 125.22.43.2 98.247.20.177 173.183.97.122 87.219.254.176 138.251.214.69 173.60.200.221 38.107.191.87 38.107.191.86 First time visitors should read the FAQ.     Last10 Referrers www.google.com www.google.com.au www.google.co.uk www.google.com www.google.com www.google.co.uk www.google.es www.google.co.nz www.google.co.nz www.google.com