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.

38 hosts · 226 ms

HostCertsFirst seenLast seen
ziphq.com 105 2025-12-16 2026-10-08
*.ziphq.com 40 2025-12-08 2026-09-29
emea.ziphq.com 7 2026-07-22 2026-09-19
*.emea.ziphq.com 7 2026-07-22 2026-09-19
*.qa.ziphq.com 8 2026-04-27 2026-08-23
welcome.ziphq.com 2 2025-07-01 2026-06-01
*.staging.ziphq.com 8 2026-05-11 2026-09-07
api.ziphq.com 27 2026-05-21 2026-10-04
qa-api.ziphq.com 14 2026-04-13 2026-10-08
staging-api.ziphq.com 8 2026-06-07 2026-10-03
next-api.ziphq.com 6 2026-05-11 2026-09-06
portal.ziphq.com 4 2026-06-30 2026-09-01
em.ziphq.com 8 2026-04-19 2026-08-15
info.ziphq.com 4 2026-04-17 2026-08-12
lp.ziphq.com 8 2026-04-20 2026-08-16
partner.ziphq.com 5 2026-05-26 2026-09-23
docs.ziphq.com 5 2026-05-26 2026-09-23
webhook-staging-mtls.ziphq.com 1 2025-11-21 2025-11-21
jpm.webhook-staging-mtls.ziphq.com 1 2025-12-16 2025-12-16
test.webhook-mtls.ziphq.com 2 2026-04-01 2026-09-01
partners.ziphq.com 1 2025-10-01 2025-10-01
www.partners.ziphq.com 1 2025-10-01 2025-10-01
developers.ziphq.com 6 2026-05-08 2026-09-03
newsletters.ziphq.com 6 2026-06-19 2026-09-27
email.ghost.newsletters.ziphq.com 5 2026-05-08 2026-09-05
events.ziphq.com 12 2026-05-11 2026-10-01
status.ziphq.com 5 2026-05-11 2026-09-07
platform-tls-client.ziphq.com 2 2025-09-24 2026-09-18
dev-platform-tls-client.ziphq.com 1 2025-11-14 2025-11-14
www.dev-platform-tls-client.ziphq.com 1 2025-11-14 2025-11-14
www.platform-tls-client.ziphq.com 2 2025-09-24 2026-09-18
*.next-preview-eu.ziphq.com 6 2026-05-14 2026-09-09
mtls-client-dev.ziphq.com 2 2026-03-02 2026-03-02
www.mtls-client-dev.ziphq.com 2 2026-03-02 2026-03-02
*.next-preview.ziphq.com 10 2026-05-02 2026-08-28
*.deploy-preview.ziphq.com 31 2026-04-27 2026-09-29
ux.ziphq.com 2 2026-05-15 2026-05-15
academy.ziphq.com 2 2025-10-08 2026-09-08

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