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IP geolocation, DNS, WHOIS, subnet, speed test.
10 tools
Look up country, city, ISP, and location for any IP address.
Look up domain registration, expiry, nameservers, and registrar.
Measure your download speed, upload speed, ping, and jitter in seconds.
See your public IP address plus full location, ISP, ASN, timezone, coordinates, and more.
Calculate subnet details from CIDR notation instantly.
Query A, AAAA, MX, TXT, CNAME, and NS DNS records for any domain.
Audit response headers + get a security grade for any URL.
Test if a TCP port is open on any host.
Identify device vendor from a MAC address.
Check SPF, DKIM, and DMARC records for any domain with plain-English explanations.