Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts, first/last seen and live DNS status.

3 hosts · 379 ms

HostCertsFirst seenLast seenDNS
mercadopago.com.ec 2 2025-07-01 2026-06-01 ok
*.mercadopago.com.ec 3 2025-07-01 2026-06-16 —
www.mercadopago.com.ec 2 2025-07-01 2026-06-01 ok

Programmatic access, with DNS A records: API GET /v1/hosts/mercadopago.com.ec (API key for paging).

Shown here: hostnames with a certificate that is valid now or expired within the last 90 days. The full history since 2013 — hostnames whose last certificate expired earlier — is a Pro plan method: GET /v1/hosts-history/mercadopago.com.ec.