Network Tools
Look up DNS records, IP addresses, WHOIS/RDAP data and reverse DNS, and monitor endpoints — fast diagnostics for developers and sysadmins.
Network Tools
DNS Lookup
Look up DNS records for any domain — A, AAAA, MX, TXT, CNAME, NS, SOA. Powered by Cloudflare DNS-over-HTTPS. 100% in your browser.
Network ToolsIP Lookup
Look up geolocation, ISP, ASN, and timezone for any IP address. Shows your own IP by default. Powered by ipapi.co.
Network ToolsRDAP Lookup
Modern WHOIS (RDAP) lookup for any domain. Returns registrar, status, dates, name servers. Powered by rdap.org.
Network ToolsReverse DNS
Look up the PTR (reverse DNS) record for any IPv4 or IPv6 address. Powered by Cloudflare DoH.
Network ToolsOG Preview
Preview Open Graph and Twitter card previews from a URL fetch or pasted HTML and audit every meta tag for SEO and social sharing.