Site Safety Checker
Inspect HTTPS, TLS, DNS, redirects and security headers in one deterministic safety score.
DNS
Free DNS Lookup
Look up public DNS records including A, AAAA, CNAME, MX, NS and TXT for any valid domain.
Your input is processed only as required by this tool.
Free DNS Lookup
DNS connects domain names to web, email and verification infrastructure. This lookup collects common public records in one report so you can quickly inspect IP addresses, aliases, nameservers, mail exchangers and TXT-based configuration.
How to use it
- Enter the public URL or domain you want to inspect.
- Run the check and let Ciatto Tools collect only the signals required for this diagnostic.
- Review the result, warnings and related checks before making a security or configuration decision.
How to read the result
A and AAAA map hosts to IPv4/IPv6 addresses, CNAME creates aliases, MX controls mail routing, NS identifies authoritative nameservers and TXT commonly carries verification and email-security policies.
Limitations
DNS is cached and distributed. Results can differ temporarily across resolvers while records propagate or TTLs expire.
Frequently asked questions
What is a DNS A record?
An A record maps a hostname to an IPv4 address.
Why do DNS changes take time?
Resolvers cache records according to TTL values, so older answers can remain visible until those caches expire.