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.

73 hosts · 283 ms

HostCertsFirst seenLast seen
doctena.com 51 2025-08-21 2026-10-04
*.doctena.com 53 2025-08-21 2026-10-04
*.demo20.doctena.com 2 2025-08-21 2026-07-22
media.doctena.com 12 2026-06-07 2026-10-03
soa.doctena.com 2 2025-08-21 2026-07-22
*.soa.doctena.com 2 2025-08-21 2026-07-22
calendar-sync.doctena.com 2 2025-08-21 2026-07-22
staging-calendar-sync.doctena.com 2 2025-08-21 2026-07-22
demo-calendar-sync.doctena.com 2 2025-08-21 2026-07-22
compliance.doctena.com 3 2026-04-30 2026-08-18
secure.doctena.com 20 2025-08-21 2026-10-04
staging-secure.doctena.com 2 2025-08-21 2026-07-22
*.staging-secure.doctena.com 14 2025-08-21 2026-10-04
v2.staging-secure.doctena.com 1 2026-01-13 2026-01-13
testing-secure.doctena.com 2 2025-08-21 2026-07-22
*.testing-secure.doctena.com 14 2025-08-21 2026-10-04
v2.testing-secure.doctena.com 1 2026-01-14 2026-01-14
production-secure.doctena.com 2 2025-08-21 2026-07-22
*.production-secure.doctena.com 14 2025-08-21 2026-10-04
demo-secure.doctena.com 2 2025-08-21 2026-07-22
*.demo-secure.doctena.com 14 2025-08-21 2026-10-04
v2.demo-secure.doctena.com 1 2026-01-13 2026-01-13
*.secure.doctena.com 20 2025-08-21 2026-10-04
v2.secure.doctena.com 1 2026-01-19 2026-01-19
monitoring.doctena.com 2 2026-03-04 2026-07-20
self.api.doctena.com 13 2026-03-17 2026-10-04
staging.api.doctena.com 2 2026-02-22 2026-07-10
*.staging.api.doctena.com 2 2026-02-22 2026-07-10
self.staging.api.doctena.com 3 2026-03-15 2026-08-15
search.staging.api.doctena.com 2 2025-08-05 2026-07-06
testing.api.doctena.com 1 2026-01-27 2026-01-27
*.testing.api.doctena.com 1 2026-01-27 2026-01-27
self.testing.api.doctena.com 2 2026-03-08 2026-07-24
search.testing.api.doctena.com 2 2025-07-14 2026-06-14
search.api.doctena.com 2 2025-08-13 2026-07-14
demo.api.doctena.com 2 2026-02-23 2026-07-11
*.demo.api.doctena.com 2 2026-02-23 2026-07-11
self.demo.api.doctena.com 3 2026-03-16 2026-08-16
search.demo.api.doctena.com 2 2025-08-12 2026-07-13
feedback.doctena.com 4 2026-06-18 2026-08-16
approval.doctena.com 1 2025-10-10 2025-10-10
subscription.doctena.com 4 2026-02-12 2026-09-26
testing-subscription.doctena.com 1 2026-07-29 2026-07-29
video.doctena.com 11 2026-02-03 2026-10-04
*.video.doctena.com 10 2026-06-08 2026-10-04
staging.video.doctena.com 1 2025-11-18 2025-11-18
staging-api.video.doctena.com 1 2025-11-18 2025-11-18
testing-api.video.doctena.com 2 2025-11-03 2026-10-04
production-api.video.doctena.com 1 2026-01-20 2026-01-20
demo-api.video.doctena.com 1 2025-11-26 2025-11-26
demo.video.doctena.com 1 2025-11-26 2025-11-26
test.video.doctena.com 3 2025-09-24 2026-08-25
agendapro.doctena.com 2 2026-04-25 2026-09-25
staging-agendapro.doctena.com 2 2026-02-22 2026-07-10
testing-agendapro.doctena.com 1 2026-02-19 2026-02-19
demo-agendapro.doctena.com 2 2026-02-23 2026-07-11
help.doctena.com 2 2026-09-09 2026-09-09
app.tmp.doctena.com 1 2025-08-04 2025-08-04
booking-app.tmp.doctena.com 1 2025-08-04 2025-08-04
status.doctena.com 5 2026-04-28 2026-08-26
virtualassistant.doctena.com 11 2026-06-02 2026-09-28
demo-virtualassistant.doctena.com 10 2026-05-04 2026-08-30
dev-virtualassistant.doctena.com 11 2026-06-02 2026-09-28
trust.doctena.com 9 2026-06-07 2026-10-04
marketing.dev.doctena.com 12 2026-05-21 2026-09-17
help.dev.doctena.com 2 2026-09-09 2026-09-09
app.dev.doctena.com 1 2025-07-16 2025-07-16
booking-app.dev.doctena.com 1 2025-07-16 2025-07-16
trustcenter.dev.doctena.com 3 2026-05-19 2026-05-19
trust.dev.doctena.com 11 2026-05-31 2026-09-26
gw.doctena.com 9 2026-05-24 2026-09-19
*.gw.doctena.com 9 2026-05-24 2026-09-19
www.doctena.com 4 2026-06-15 2026-08-13

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