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.

21 hosts · 263 ms

HostCertsFirst seenLast seen
leesa.com 5 2026-05-22 2026-09-22
beta.leesa.com 5 2026-04-22 2026-08-23
brand.leesa.com 3 2025-10-20 2026-09-20
share.leesa.com 1 2026-01-27 2026-01-27
*.share.leesa.com 1 2026-01-27 2026-01-27
blog.leesa.com 5 2026-05-24 2026-09-25
coral.leesa.com 10 2026-05-16 2026-09-25
westelm.leesa.com 3 2026-04-01 2026-08-27
dolphin.leesa.com 16 2026-05-16 2026-09-27
shop.leesa.com 15 2026-05-16 2026-09-26
refer.leesa.com 2 2025-10-21 2026-09-02
qr.leesa.com 4 2025-10-18 2026-09-17
links.leesa.com 3 2025-09-01 2026-07-13
macys.leesa.com 4 2026-04-01 2026-08-27
support.leesa.com 5 2026-06-07 2026-10-05
checkout.leesa.com 17 2026-05-22 2026-10-01
6y5blv.leesa.com 49 2026-04-28 2026-08-22
www.leesa.com 5 2026-05-15 2026-09-17
sandbox.leesa.com 3 2026-07-23 2026-09-26
3z.leesa.com 6 2025-10-19 2026-09-19
quiz.leesa.com 4 2026-01-09 2026-08-19

Programmatic access: API GET /v1/hosts/leesa.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/leesa.com.