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.

12 hosts · 287 ms

HostCertsFirst seenLast seen
shemed.co.uk 9 2026-05-30 2026-09-25
*.shemed.co.uk 1 2026-06-15 2026-06-15
api.shemed.co.uk 4 2025-08-08 2026-07-09
*.api.shemed.co.uk 4 2025-08-08 2026-07-09
ablink.mail.shemed.co.uk 1 2026-01-01 2026-01-01
webflow-origin.shemed.co.uk 8 2026-05-15 2026-09-11
join.shemed.co.uk 5 2026-05-23 2026-09-26
ablink.news.shemed.co.uk 1 2026-01-01 2026-01-01
support.shemed.co.uk 15 2026-04-16 2026-09-07
www.shemed.co.uk 6 2026-05-30 2026-09-25
ablink.notify.shemed.co.uk 1 2026-01-01 2026-01-01
my.shemed.co.uk 5 2026-05-22 2026-09-25

Programmatic access: API GET /v1/hosts/shemed.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/shemed.co.uk.