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.

7 hosts · 222 ms

HostCertsFirst seenLast seenDNS
mercadopago.com.br 4 2025-10-08 2026-09-26 ok
*.mercadopago.com.br 2 2025-10-08 2026-09-08 —
auth.mercadopago.com.br 4 2026-03-24 2026-09-23 ok
conexao.mercadopago.com.br 10 2026-05-14 2026-09-10 ok
promo.mercadopago.com.br 2 2026-04-20 2026-09-20 ok
*.promo.mercadopago.com.br 2 2026-04-20 2026-09-20 —
www.mercadopago.com.br 2 2025-10-26 2026-09-26 ok

Programmatic access, with DNS A records: API GET /v1/hosts/mercadopago.com.br (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.br.