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57 tools · 12 groups
Check CAA DNS records for any domain and quickly verify certificate authority permissions with our online CAA record checker tool.
Generate properly formatted CAA DNS records for any domain in five formats - Generic CAA, BIND zone, Legacy TYPE257, tinydns, and dnsmasq. Pick from 60+ certificate authorities, control wildcard and non-wildcard issuance, add an iodef contact, or pull a domain's current policy as a starting point.
Check your domain's DMARC record in seconds with our free lookup tool.
Generate DMARC records to help secure your domain with our free tool. Quickly set up DMARC policies and defend your domain against spoofing or phishing attacks.
Instantly retrieve and verify DNSKEY records for any domain. Confirm DNSSEC is enabled, inspect published key data, identify KSK and ZSK types, and troubleshoot missing or misconfigured DNSSEC keys.
Check your domain's MX records and mail server configuration instantly. Get mail exchange servers, priority values, IP addresses, ASN, plus A, AAAA, and CNAME records for complete email and domain infrastructure visibility.
Validate your domain's SPF record with our free SPF Checker tool.
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.
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.
Resolve any IP address to its hostname with a free reverse DNS (PTR) lookup. Enter an IPv4 or IPv6 address and get the canonical hostname in seconds.