DNS Lookup
Inspect the DNS records behind a domain.
A DNS lookup asks a resolver which records a domain publishes and returns their values and TTLs. The A record holds the IPv4 address, AAAA the IPv6 address, MX the mail servers, and TXT the verification and policy strings.
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Public internet targets onlyResults
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How DNS Lookup works
What it does
Inspect the DNS records behind a domain.
What you get
Record types, returned values and their cache lifetimes (TTL).
Live data sources
The target is sent to a network provider. Results include their source; timeouts and unavailable data are clearly marked.
What if a check cannot finish?
Confirm your input and try again. A timeout, blocked request, or unavailable provider is not proof that a domain is broken. Internet measurements and third-party services have limits.
DNS Lookup — frequently asked questions
What is a TTL?
Time to live, in seconds — how long a resolver may cache the record before asking again. A TTL of 3600 means caches can hold the answer for an hour.
Why does this show a different IP than ping does?
Your computer may be using a cached answer or a different resolver. This lookup queries a public resolver directly, so it can see a newer value than your device has.
What does an empty result mean?
The domain publishes no record of that type. That is normal — most domains have no SRV or CAA record, for example.