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.

13 hosts · 355 ms

HostCertsFirst seenLast seenDNS
larosas.com 2 2025-10-15 2026-06-29 ok
*.larosas.com 2 2025-10-15 2026-06-29 —
image.email.larosas.com 19 2026-01-20 2026-08-31 ok
click.email.larosas.com 1 2026-01-20 2026-01-20 ok
view.email.larosas.com 1 2026-01-20 2026-01-20 ok
nutrition.larosas.com 2 2026-02-18 2026-09-05 nxdomain
order.larosas.com 3 2025-07-26 2026-06-18 ok
www.order.larosas.com 1 2025-07-26 2025-07-26 nxdomain
supervisor.larosas.com 2 2026-03-03 2026-07-16 ok
csr.larosas.com 2 2026-03-03 2026-07-16 ok
intranet.larosas.com 3 2025-07-05 2026-07-15 ok
www.intranet.larosas.com 3 2025-07-05 2026-07-15 nxdomain
pw.larosas.com 3 2026-06-17 2026-08-25 ok

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