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.

17 hosts · 370 ms

HostCertsFirst seenLast seenDNS
oysho.com 10 2025-09-07 2026-09-28 ok
training.oysho.com 7 2026-04-15 2026-09-28 ok
blog.oysho.com 12 2025-12-16 2026-07-02 ok
social.oysho.com 12 2025-12-16 2026-07-02 ok
gtm.oysho.com 3 2026-05-23 2026-09-07 ok
discoverReceiver.oysho.com 2 2025-12-17 2025-12-17 —
ir.oysho.com 5 2026-05-27 2026-09-24 ok
links.oysho.com 8 2026-05-23 2026-09-17 ok
press.oysho.com 12 2025-12-16 2026-07-02 ok
payments.oysho.com 7 2026-04-15 2026-09-28 ok
news.oysho.com 4 2026-04-15 2026-08-25 ok
account.oysho.com 7 2026-04-15 2026-09-28 ok
discoverReceiver.ext.oysho.com 2 2025-12-17 2025-12-17 —
otwu.oysho.com 3 2026-04-15 2026-08-11 ok
linksotwu.oysho.com 6 2026-05-24 2026-09-18 ok
preview.oysho.com 2 2026-09-28 2026-09-28 ok
www.oysho.com 9 2025-09-07 2026-09-28 ok

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