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.

12 hosts · 298 ms

HostCertsFirst seenLast seenDNS
levanta.io 14 2026-04-29 2026-08-25 ok
beta.levanta.io 3 2025-07-27 2026-07-02 ok
ccc.levanta.io 2 2026-08-24 2026-08-24 ok
knowledge.levanta.io 3 2026-04-19 2026-09-19 ok
go.levanta.io 4 2026-05-24 2026-08-01 ok
demo.levanta.io 4 2026-07-07 2026-08-30 ok
app.levanta.io 4 2025-10-15 2026-09-15 ok
api-docs.levanta.io 5 2026-04-26 2026-08-27 ok
ms.levanta.io 1 2025-07-30 2025-07-30 nodata
get.levanta.io 12 2026-04-11 2026-08-07 ok
smart.levanta.io 3 2026-06-16 2026-08-16 ok
www.levanta.io 16 2026-05-01 2026-08-27 ok

Programmatic access, with DNS A records: API GET /v1/hosts/levanta.io (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/levanta.io.