Free online network utilities

Description HexGadgets Source code
Domain Dossier. Investigate domains and IP addresses. HexDns
HexIcmp
HexLookup
HexTcpQuery
HexValidEmail
  
Domain Check. See if a domain is available.  HexDns
HexTcpQuery
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Email Dossier. Validate and investigate email addresses. HexValidEmail Download full sourceView main source file
Browser Mirror. See what your browser reveals. Download full sourceView main source file
Ping. See if a host is reachable. HexIcmp
HexLookup
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Traceroute. Trace the path from this server to another. HexIcmp
HexLookup
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NsLookup. Look up various domain resource records with this version of the classic NsLookup utility. HexDns Download full sourceView main source file
AutoWhois. Get Whois records automatically for domains worldwide. HexTcpQuery
HexLookup
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TcpQuery. Grab a web page, look up a domain, and more.  HexLookup
HexTcpQuery
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AnalyzePath. Do a simple, graphical traceroute HexIcmp
HexLookup
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