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 · 217 ms

HostCertsFirst seenLast seen
zayzoon.com 1 2025-12-12 2025-12-12
*.zayzoon.com 16 2026-05-20 2026-10-06
inv-1.zayzoon.com 1 2025-10-28 2025-10-28
*.inv-1.zayzoon.com 2 2025-10-29 2026-09-29
assets2.zayzoon.com 3 2026-03-03 2026-08-03
ca.zayzoon.com 10 2026-05-09 2026-09-04
media.zayzoon.com 10 2026-04-18 2026-08-14
grafana.zayzoon.com 3 2025-09-17 2026-08-18
data.zayzoon.com 2 2025-09-15 2026-08-16
webhook-data.zayzoon.com 2 2025-08-25 2025-08-25
models-graph.data.zayzoon.com 1 2026-10-08 2026-10-08
webhook.data.zayzoon.com 4 2025-09-12 2026-08-13
ec.zayzoon.com 10 2026-05-12 2026-09-07
embed.zayzoon.com 8 2026-04-19 2026-08-15
partner-showcase.zayzoon.com 10 2026-04-26 2026-08-22
grafana.staging.zayzoon.com 3 2026-07-22 2026-07-22
reporting.zayzoon.com 2 2026-03-05 2026-07-21
blog.zayzoon.com 10 2026-04-18 2026-08-14
api.zayzoon.com 1 2025-12-16 2025-12-16
payments-api.zayzoon.com 1 2025-08-22 2025-08-22
www.payments-api.zayzoon.com 1 2025-08-22 2025-08-22
education.zayzoon.com 12 2026-05-21 2026-09-16
info.zayzoon.com 6 2026-04-18 2026-08-14
embed-demo.zayzoon.com 12 2026-05-21 2026-09-16
shop.zayzoon.com 16 2026-05-25 2026-10-03
app.zayzoon.com 6 2025-09-30 2026-09-16
fluffybunnies.zayzoon.com 1 2025-11-13 2025-11-13
clicks.zayzoon.com 2 2026-02-21 2026-07-09
integrations.zayzoon.com 2 2025-06-14 2025-11-14
internal.integrations.zayzoon.com 1 2026-03-09 2026-03-09
assets.zayzoon.com 1 2025-12-18 2025-12-18
events.zayzoon.com 8 2026-04-18 2026-08-14
www.zayzoon.com 10 2026-04-20 2026-08-17
assets2.pony.zayzoon.com 6 2026-09-25 2026-10-01
app.pony.zayzoon.com 10 2026-09-25 2026-10-09
assets.pony.zayzoon.com 5 2026-09-25 2026-10-01
try.zayzoon.com 8 2026-04-21 2026-08-17
*.z.zayzoon.com 3 2025-09-25 2026-08-26

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