Free online network utilities
| Description | HexGadgets | Source code |
| Domain Dossier. Investigate domains and IP addresses. | HexDns HexIcmp HexLookup HexTcpQuery HexValidEmail |
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| Domain Check. See if a domain is available. | HexDns HexTcpQuery |
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| Email Dossier. Validate and investigate email addresses. | HexValidEmail | |
| Browser Mirror. See what your browser reveals. | |
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| 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 | |
| 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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