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 · 228 ms

HostCertsFirst seenLast seen
ascensionpress.com 16 2025-11-12 2026-08-26
*.ascensionpress.com 3 2025-11-12 2026-05-15
media.ascensionpress.com 7 2026-04-20 2026-08-30
curia.ascensionpress.com 1 2026-05-21 2026-05-21
netsuite.ascensionpress.com 1 2026-08-27 2026-08-27
onboarding.ascensionpress.com 7 2026-05-23 2026-09-18
curia-staging.ascensionpress.com 1 2026-05-21 2026-05-21
blog.ascensionpress.com 7 2026-04-21 2026-09-01
link-stg.ascensionpress.com 5 2026-05-21 2026-09-17
link.ascensionpress.com 5 2026-05-21 2026-09-17
newsroom.ascensionpress.com 7 2026-04-20 2026-08-30
shop.ascensionpress.com 12 2026-04-15 2026-08-24
app.ascensionpress.com 4 2026-04-17 2026-08-20
qr.ascensionpress.com 5 2026-08-07 2026-10-05
pages.ascensionpress.com 2 2026-08-12 2026-08-12
returns.ascensionpress.com 6 2026-07-09 2026-09-06
groupenrollment.ascensionpress.com 1 2026-02-24 2026-02-24
netsuite-endpoint.ascensionpress.com 1 2026-08-27 2026-08-27
account.ascensionpress.com 16 2026-04-20 2026-10-01
curia-dev.ascensionpress.com 1 2026-05-19 2026-05-19
www.ascensionpress.com 13 2026-04-15 2026-08-25

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