DNS, WHOIS, SSL, IP lookup & more. All tools work directly in your browser — no uploads or accounts required.
Check A, AAAA, MX, NS, TXT, CNAME, SOA DNS records for any domain.
View domain registration, registrar, expiry information.
Find out how old any domain is.
Check SSL certificate validity, issuer & expiry days.
View full HTTP response headers for any URL.
Trace redirect chains and final destination.
Geolocation, ISP, ASN for any IP or domain.
Find hostnames pointing to an IP (PTR).
Check if a TCP port is open on any host.
Check if a website is up + latency in ms.
Fetch and view any site's robots.txt file.
Discover & preview any sitemap.xml URL list.
Preview Open Graph & Twitter Card meta tags.
