Category
Network Lab
Choose a tool to start.
DNS Lookup
Look up A, AAAA, CNAME, MX, NS, SOA, TXT, and CAA records for a domain.
Email Health Inspector
Inspect SPF, DKIM, DMARC, MX, MTA-STS, TLS-RPT, and BIMI records for a domain.
HTTP Inspector
Read the response headers, the security report, and the redirect chain of a URL.
URL Inspector
Parse a URL into its protocol, host, path, hash, and query parameters.
OpenGraph Previewer
Preview how a page may look when shared on social platforms.
CIDR Subnet Calculator
Calculate IPv4 and IPv6 subnet masks, network addresses, broadcast IPs, and usable host counts.
User Agent Parser
Parse User Agent strings into browser, operating system, and device details.
Cookie Inspector
Parse a Set-Cookie header, check its attributes, and see if the browser sends each cookie to a URL.
IP Address Info
Inspect public IP addresses, reverse DNS hostnames, and network classifications.
TLS Certificate Inspector
Inspect SSL/TLS certificate chains, SANs, negotiated cipher, and expiration warnings.
RDAP / WHOIS Lookup
Query domain and IP registration data, registrars, and status over standard RDAP endpoints.