DNS lookups, WHOIS queries, SSL verification, IP geolocation, ping tests, port scanning, and more network tools — all free.
Diagnostics
15
network tools
Query A, AAAA, MX, TXT, NS, CNAME, SOA, and PTR records for any domain using live DNS resolution.
Open Tool
Retrieve domain registration details, registrar, creation and expiry dates, nameservers, and contact info.
Open Tool
Find all domains hosted on the same IP address with reverse DNS PTR record resolution.
Open Tool
Geolocate any IP address: country, city, region, ISP, timezone, latitude, and longitude.
Open Tool
Instantly see your public IP address, ISP, location, and timezone.
Open Tool
Verify SSL/TLS certificate validity, issuer, expiry date, and SANs for any domain.
Open Tool
Inspect all HTTP response headers for any URL: status code, server, caching, security headers, and more.
Open Tool
Measure response time and availability for any domain or IP using HTTP-based latency probes.
Open Tool
Trace the network path to any host and visualize each hop with latency information.
Open Tool
Check whether common ports are open or closed on any host. Tests 30+ well-known service ports.
Open Tool
Retrieve MX records for any domain and see mail server priorities for email routing analysis.
Open Tool
Check if a domain or IP is listed on 40+ DNS-based spam and malware blacklists (DNSBLs).
Open Tool
Look up the manufacturer and vendor for any MAC address using the OUI database.
Open Tool
Check DNS propagation across multiple global resolvers to verify record changes have propagated.
Open Tool
Check if a website is up or down right now. Measures response time and HTTP status code.
Open Tool