Find every subdomain
of a domain.

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

6 hosts · 216 ms

HostCertsFirst seenLast seen
alchemy.gr 42 2026-05-08 2026-09-30
*.alchemy.gr 22 2026-05-08 2026-09-03
static.alchemy.gr 8 2026-04-20 2026-08-16
cs.alchemy.gr 7 2026-05-10 2026-09-07
account.alchemy.gr 16 2026-06-02 2026-10-02
www.alchemy.gr 16 2026-06-01 2026-09-30

Programmatic access: API GET /v1/hosts/alchemy.gr (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/alchemy.gr.