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.

10 hosts · 338 ms

HostCertsFirst seenLast seen
lush.co.uk 18 2026-05-10 2026-09-07
*.lush.co.uk 18 2026-05-10 2026-09-07
lensdb.lush.co.uk 5 2026-05-28 2026-09-25
irc.lush.co.uk 4 2026-05-24 2026-05-26
vpn.lush.co.uk 1 2026-06-10 2026-06-10
www.vpn.lush.co.uk 1 2026-06-10 2026-06-10
drvpn.lush.co.uk 5 2026-05-22 2026-09-19
ems.lush.co.uk 3 2025-10-17 2026-07-31
www.ems.lush.co.uk 3 2025-10-17 2026-07-31
status.lush.co.uk 5 2026-05-01 2026-08-28

Programmatic access: API GET /v1/hosts/lush.co.uk (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/lush.co.uk.