troubleshooting.tools

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

DNS, WHOIS, ports and response headers of a host.

External API

IP Address Lookup

Get detailed information about IPv4 and IPv6 addresses including location, ISP, and registry data.

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Network query

DNS Lookup

Query DNS records for domains. Supports A, AAAA, MX, CNAME, TXT, NS, SOA, SRV, CAA, PTR.

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Server-side

MAC Address Lookup

Look up MAC address vendor information using a local OUI database.

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Network query

Port Checker

Check if TCP ports are open on remote hosts. Supports single ports and port ranges.

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Network query

Traceroute

Trace network paths to IPv4 and IPv6 addresses, identify routing issues, and analyze latency.

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Network query

Sonos Stream URL Checker

Test if audio stream URLs are compatible with Sonos S1 and S2 speakers.

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