For everyone
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Network, DNS and IP tools
Network diagnostics you can start now.
Open a public IP, DNS, domain, SSL, port or reachability check directly. Each free tool gives the first answer without account signup.
NetProbe tools
Use these public checks for one-time troubleshooting, DNS changes, domain facts and TLS checks.
What is my IPSee the public address this service observes from your browser.Open toolDNS PropagationCompare DNS answers for a domain and expected value.Open toolDNS LookupRead A, AAAA, CNAME, MX, NS, TXT and other records.Open toolRDAP Domain LookupInspect public registration facts for a domain.Open toolSSL Certificate CheckerCheck certificate issuer, validity window and domain fit.Open toolPort CheckerTest whether a public TCP port responds from the service.Open toolPing and TracerouteCheck basic reachability and path evidence for a host.Open tool
Use the result at the right depth
For technical teams
Inspect DNS records, RDAP details, TLS facts, open ports and reachability signals with focused outputs.
For ongoing monitoring
Use the same checks as the basis for alert rules, history and API access when repeated evidence matters.