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 · 281 ms

HostCertsFirst seenLast seenDNS
theflowery.co 26 2026-05-17 2026-10-01 ok
*.theflowery.co 22 2026-02-14 2026-10-01 —
concierge.theflowery.co 12 2026-05-10 2026-09-05 ok
merch.theflowery.co 13 2026-04-07 2026-09-20 ok
trk.theflowery.co 9 2026-06-02 2026-09-28 ok
kiosk.theflowery.co 5 2026-05-22 2026-09-22 ok
portal.theflowery.co 4 2026-05-12 2026-07-11 ok
toadvenom.theflowery.co 2 2026-08-07 2026-08-07 ok
*.toadvenom.theflowery.co 2 2026-08-07 2026-08-07 —
screen.theflowery.co 5 2026-06-02 2026-10-02 ok
drivers.theflowery.co 5 2026-05-23 2026-09-01 ok
status.theflowery.co 5 2026-05-28 2026-09-25 ok
reviews.theflowery.co 3 2026-08-15 2026-08-15 ok
*.reviews.theflowery.co 3 2026-08-15 2026-08-15 —
fleet.theflowery.co 3 2026-07-17 2026-09-16 ok
support.theflowery.co 6 2026-05-12 2026-09-02 ok
kiosk-test.theflowery.co 5 2026-05-02 2026-09-03 ok

Programmatic access, with DNS A records: API GET /v1/hosts/theflowery.co (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/theflowery.co.