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.

14 hosts · 279 ms

HostCertsFirst seenLast seenDNS
orcolan.com 5 2026-04-22 2026-08-22 ok
parcelsuite.orcolan.com 4 2026-05-13 2026-07-27 ok
ps-auth.orcolan.com 4 2026-04-15 2026-10-04 ok
ai-api.orcolan.com 1 2025-12-14 2025-12-14 ok
www.ai-api.orcolan.com 1 2025-12-14 2025-12-14 nxdomain
publication.orcolan.com 5 2026-04-22 2026-08-26 ok
psds.orcolan.com 4 2026-05-13 2026-07-27 ok
careers.orcolan.com 6 2026-08-04 2026-10-03 ok
chat.orcolan.com 3 2026-07-10 2026-09-23 ok
connect.orcolan.com 3 2026-06-08 2026-08-09 ok
intranet.orcolan.com 3 2026-06-07 2026-08-07 ok
support.orcolan.com 4 2026-04-18 2026-08-16 ok
workflow.orcolan.com 5 2026-05-05 2026-09-02 ok
www.orcolan.com 5 2026-04-22 2026-08-22 ok

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