Check and parse the DMARC DNS TXT record for any domain to verify email authentication policy, alignment settings, and reporting addresses.
Check and parse the DMARC DNS TXT record for any domain to verify email authentication policy, alignment mode, and reporting addresses.
This tool queries Google's public DNS-over-HTTPS API directly from your browser. Only the domain name is sent — no personal data is collected.
Check HTTP status codes, response headers and redirect chains for any URL.
Generate a unique URL to easily test, receive and inspect HTTP webhooks in real-time. View request headers, query parameters, JSON payloads, and more.
Calculate IPv4 subnets, network masks, broadcast addresses, and host ranges from IP and CIDR.