ambolt

Free tools / Domain expiry checker

Free domain expiry and age checker

See when a domain was registered, when it expires and how old it is, with status codes, nameservers, DNSSEC flag and registrar. No personal contact details.

The result appears here as JSON.

One free check per tool and IP address per day. Nothing is stored.

What you get

Not returned: Registrant or contact details.

Use it from code or an agent

curl "https://api.ambolt.dev/v1/domain-rdap?domain=example.com&free=1"

Same tool as an MCP tool (domain_rdap, free at 30 requests a minute), as a pay-per-call endpoint ($0.003 a call in USDC) and as an Apify Actor. Reference · Docs

Questions

Which domains work?

Domains whose registry publishes this data publicly; most generic domains do.

Does it show the owner?

No. Registrant data is not returned.

Can I monitor many domains?

Use the API or the Apify Actor for lists.