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71 tools · 12 groups
Check the age of any domain name instantly. Get registration date, expiration date, and domain age in years, months, and days with our free Domain Age Checker tool.
Look up any AS number for the organization behind it, every IPv4 and IPv6 prefix it announces, its BGP upstreams, downstreams and peers, and the registry WHOIS record.
Check whether any IP address is a VPN, proxy, residential proxy, Tor exit node, or datacenter — or check your own connection in one click. Names the provider or hosting company where known.
Use our free IPv6 website compatibility checker to verify if your domain is IPv6 ready. Our compatibility checker performs live DNS lookups for AAAA records, mail servers, and name servers.
Use Our tool to Check if your domain has DNSSEC (DNS Security Extensions) enabled. Ensure your domain is protected against DNS spoofing and cache poisoning attacks by validating the presence of DNSSEC signatures.
Parse any user agent string instantly to identify browser name, version, device type, OS, and rendering engine. Get structured results in JSON format.
Verify whether a website sends the Strict-Transport-Security header and confirm if HSTS is enabled. Inspect HSTS policy settings to ensure secure HTTPS-only connections.
Find IPv4 & IPv6 addresses up to 100 domain names at once with our free bulk domain to IP lookup tool.
An SSL certificate finder lets you check a domain's live SSL certificate details and verify whether the certificate chain is valid.
Find every domain hosted on an IP address with a reverse IP lookup tool that discovers domains pointing to any IPv4 or IPv6 via DNS A records, complete with an exact domain count for security research, server audits, and infrastructure investigations.
Enter a CNAME target hostname to discover every domain that points to it via a CNAME record. Search with exact matching or wildcards for infrastructure mapping and security research.
Enter a nameserver hostname to discover every domain that uses it for DNS resolution. Useful for hosting provider research and infrastructure investigations.
Enter an IP address to find every domain hosted on it with a reverse IP lookup tool, ideal for shared hosting discovery, security research, and server audits.
Find all domains linked to an email address, owner name, or company. Helpful for cybersecurity research and domain investigations.
View owner details such as email address, organization, or contact information associated with a specific domain.