Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts, first/last seen and live DNS status.

100 hosts (first page) · 402 ms

HostCertsFirst seenLast seenDNS
pleo.io 9 2026-02-27 2026-07-15 ok
*.pleo.io 3 2025-11-18 2026-07-15 —
eunomia.pleo.io 10 2026-05-11 2026-09-06 ok
dbt-people-data.pleo.io 5 2026-04-22 2026-08-20 ok
static.pleo.io 3 2026-05-07 2026-10-07 ok
*.static.pleo.io 3 2026-05-07 2026-10-07 —
*.cicd.pleo.io 2 2025-07-13 2026-06-13 —
embedded.pleo.io 16 2026-05-21 2026-09-18 ok
cupid.pleo.io 14 2026-04-10 2026-09-23 ok
brand.pleo.io 10 2026-05-08 2026-09-03 ok
beyond.pleo.io 4 2026-04-11 2026-08-09 ok
dependencydashboard.pleo.io 5 2026-05-20 2026-09-18 ok
onboard.pleo.io 2 2026-08-06 2026-08-06 ok
backoffice.pleo.io 2 2025-06-30 2026-05-31 ok
embedded-partner-service.pleo.io 8 2026-06-15 2026-08-13 ok
dbt-finance.pleo.io 5 2026-05-01 2026-08-30 ok
ananke.pleo.io 16 2026-05-11 2026-09-06 ok
dione.pleo.io 20 2026-04-10 2026-09-23 ok
telescope.pleo.io 2 2025-06-23 2026-05-24 ok
e2e-probe-external-cloudflare.pleo.io 15 2026-04-10 2026-10-04 ok
sre.pleo.io 24 2026-05-25 2026-09-20 ok
appmetabase.pleo.io 4 2026-04-11 2026-04-11 nxdomain
pleo-enterprise.pleo.io 1 2026-08-21 2026-08-21 ok
product-web-v2-bff.pleo.io 1 2026-01-27 2026-01-27 nxdomain
*.product-web-v2-bff.pleo.io 1 2026-01-27 2026-01-27 —
backoffice-bff-v2-bff.pleo.io 1 2026-01-27 2026-01-27 nxdomain
*.backoffice-bff-v2-bff.pleo.io 1 2026-01-27 2026-01-27 —
mobile-bff.pleo.io 4 2026-04-28 2026-05-22 nxdomain
*.mobile-bff.pleo.io 4 2026-04-28 2026-05-22 —
dummy-app-bff.pleo.io 1 2026-01-27 2026-01-27 nxdomain
*.dummy-app-bff.pleo.io 1 2026-01-27 2026-01-27 —
north-star-bff.pleo.io 2 2026-08-24 2026-08-24 ok
account-bff.pleo.io 1 2026-09-01 2026-09-01 nxdomain
*.account-bff.pleo.io 1 2026-09-01 2026-09-01 —
eng.pleo.io 14 2026-04-14 2026-08-10 ok
staging.pleo.io 4 2025-10-16 2026-09-16 ok
*.staging.pleo.io 5 2025-10-16 2026-09-16 —
eunomia.staging.pleo.io 10 2026-04-29 2026-08-25 ok
static.staging.pleo.io 3 2026-05-07 2026-10-07 ok
*.static.staging.pleo.io 3 2026-05-07 2026-10-07 —
linc.staging.pleo.io 1 2025-11-20 2025-11-20 nodata
*.linc.staging.pleo.io 1 2025-11-20 2025-11-20 —
cupid.staging.pleo.io 8 2026-05-15 2026-09-10 ok
backoffice.staging.pleo.io 2 2025-06-10 2026-05-11 ok
*.backoffice.staging.pleo.io 2 2025-06-10 2026-05-11 —
embedded-partner-service.staging.pleo.io 4 2026-06-15 2026-08-13 ok
dione.staging.pleo.io 12 2026-05-14 2026-09-16 ok
telescope.staging.pleo.io 3 2026-09-15 2026-09-15 ok
*.telescope.staging.pleo.io 3 2026-09-15 2026-09-15 —
e2e-probe-external-cloudflare.staging.pleo.io 11 2026-04-10 2026-10-05 ok
horse.staging.pleo.io 1 2025-11-29 2025-11-29 ok
*.horse.staging.pleo.io 1 2025-11-29 2025-11-29 —
product-web-v2-bff.staging.pleo.io 1 2026-01-27 2026-01-27 nxdomain
*.product-web-v2-bff.staging.pleo.io 1 2026-01-27 2026-01-27 —
backoffice-bff-v2-bff.staging.pleo.io 1 2026-01-27 2026-01-27 nxdomain
*.backoffice-bff-v2-bff.staging.pleo.io 1 2026-01-27 2026-01-27 —
mobile-bff.staging.pleo.io 3 2026-05-20 2026-05-22 nxdomain
*.mobile-bff.staging.pleo.io 3 2026-05-20 2026-05-22 —
dummy-app-bff.staging.pleo.io 1 2026-01-27 2026-01-27 nxdomain
*.dummy-app-bff.staging.pleo.io 1 2026-01-27 2026-01-27 —
account-bff.staging.pleo.io 1 2026-09-01 2026-09-01 nxdomain
*.account-bff.staging.pleo.io 1 2026-09-01 2026-09-01 —
openbanking.staging.pleo.io 12 2026-05-14 2026-09-09 ok
auth.staging.pleo.io 10 2026-05-15 2026-09-11 ok
intauth.staging.pleo.io 5 2026-06-04 2026-10-02 ok
api.staging.pleo.io 10 2026-04-29 2026-08-26 ok
openapi.staging.pleo.io 10 2026-04-29 2026-08-25 ok
external.staging.pleo.io 8 2026-04-30 2026-08-27 ok
umbriel.staging.pleo.io 11 2026-05-16 2026-09-11 ok
support-agent-platform.staging.pleo.io 12 2026-05-22 2026-09-17 ok
titan.staging.pleo.io 8 2026-05-15 2026-09-10 ok
*.cdn.staging.pleo.io 1 2026-06-21 2026-06-21 —
io.staging.pleo.io 8 2026-05-15 2026-09-10 ok
mcp.staging.pleo.io 10 2026-05-04 2026-08-30 ok
app.staging.pleo.io 3 2026-05-04 2026-10-04 ok
*.app.staging.pleo.io 3 2026-05-04 2026-10-04 —
turbocharger.staging.pleo.io 2 2026-03-06 2026-07-22 ok
*.turbocharger.staging.pleo.io 2 2026-03-06 2026-07-22 —
stripe-transaction-authorizer.staging.pleo.io 2 2026-06-01 2026-06-01 nxdomain
hr-integrations.staging.pleo.io 8 2026-05-14 2026-09-09 ok
commercial-helios.staging.pleo.io 2 2025-10-12 2026-09-12 ok
*.commercial-helios.staging.pleo.io 2 2025-10-12 2026-09-12 —
*.helios.staging.pleo.io 2 2025-10-16 2026-09-16 —
kerberos.staging.pleo.io 8 2026-05-14 2026-09-09 ok
assets.staging.pleo.io 2 2026-08-26 2026-08-26 ok
api.insights.staging.pleo.io 1 2026-01-02 2026-01-02 ok
*.api.insights.staging.pleo.io 1 2026-01-02 2026-01-02 —
cdn.insights.staging.pleo.io 1 2026-01-02 2026-01-02 ok
*.cdn.insights.staging.pleo.io 1 2026-01-02 2026-01-02 —
investments.staging.pleo.io 8 2026-06-05 2026-10-01 ok
uranus.staging.pleo.io 10 2026-05-14 2026-09-10 ok
dionysus.staging.pleo.io 12 2026-05-14 2026-09-09 ok
*.previews.staging.pleo.io 1 2026-06-18 2026-06-18 —
*.wat.staging.pleo.io 1 2025-11-06 2025-11-06 —
account.staging.pleo.io 1 2026-09-01 2026-09-01 ok
*.account.staging.pleo.io 1 2026-09-01 2026-09-01 —
openbanking-gateway.staging.pleo.io 12 2026-05-15 2026-09-11 ok
dummy.staging.pleo.io 2 2025-09-15 2026-08-16 ok
*.dummy.staging.pleo.io 2 2025-09-15 2026-08-16 —
confluent-schema-registry.staging.pleo.io 12 2026-05-17 2026-09-13 ok

Showing the first 100 hostnames — sign in with GitHub or Google to page the full list, or use the API with an API key: GET /v1/hosts/pleo.io.

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/pleo.io.