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 · 280 ms

HostCertsFirst seenLast seen
share.market 8 2025-07-21 2026-08-26
*.share.market 7 2025-07-21 2026-08-26
301.share.market 1 2026-06-23 2026-06-23
ncspf.share.market 4 2026-05-04 2026-07-29
internal.share.market 1 2025-09-24 2025-09-24
*.internal.share.market 1 2025-09-24 2025-09-24
trackwizz-external.share.market 1 2025-09-14 2025-09-14
www.trackwizz-external.share.market 1 2025-09-14 2025-09-14
support-portal.share.market 8 2026-04-21 2026-08-17
delivery.updates.share.market 2 2026-06-05 2026-09-02
support-tickets.share.market 10 2026-05-12 2026-09-07
www.share.market 1 2026-06-23 2026-06-23

Programmatic access: API GET /v1/hosts/share.market (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/share.market.