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.

100 hosts (first page) · 264 ms

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HostCertsFirst seenLast seen
orcasecurity.io 9 2025-08-18 2026-08-23
*.orcasecurity.io 9 2025-08-13 2026-09-17
grafana.production.ap-south-1.orcasecurity.io 2 2025-09-18 2026-08-19
grafana.production.eu-central-1.orcasecurity.io 2 2025-09-18 2026-08-19
grafana.production.sa-east-1.orcasecurity.io 2 2025-09-18 2026-08-19
grafana.devenv1.us-east-1.orcasecurity.io 2 2025-09-14 2026-08-15
grafana.devenvx1.us-east-1.orcasecurity.io 2 2025-08-16 2026-07-17
grafana.devenv2.us-east-1.orcasecurity.io 2 2025-09-14 2026-08-15
grafana.devenvx2.us-east-1.orcasecurity.io 6 2025-07-20 2026-08-03
grafana.production-infra.us-east-1.orcasecurity.io 5 2025-09-18 2025-10-27
grafana.rnd.us-east-1.orcasecurity.io 2 2025-09-18 2026-08-19
grafana.staging.us-east-1.orcasecurity.io 3 2025-09-14 2026-08-15
grafana.rnd-internal.us-east-1.orcasecurity.io 2 2025-09-14 2026-08-15
portal-api.support-internal.us-east-1.orcasecurity.io 2 2026-09-30 2026-10-06
grafana.production.us-east-1.orcasecurity.io 7 2025-07-23 2026-06-23
grafana.testing-k8s.us-east-1.orcasecurity.io 2 2025-09-14 2026-08-15
grafana.production-test.us-east-1.orcasecurity.io 2 2025-09-29 2025-10-30
grafana.rnd-internal-dev.us-east-1.orcasecurity.io 1 2026-07-16 2026-07-16
grafana.staging.eu-west-1.orcasecurity.io 2 2025-09-18 2026-08-19
grafana.production-sap.eu-west-1.orcasecurity.io 2 2025-09-15 2026-08-16
grafana.testing-fed.us-gov-west-1.orcasecurity.io 2 2025-09-15 2026-08-16
grafana.production-fed.us-gov-west-1.orcasecurity.io 2 2025-07-31 2026-07-01
grafana.production-tcloud.us-gov-west-1.orcasecurity.io 1 2025-09-29 2025-09-29
grafana.production.us-gov-west-1.orcasecurity.io 2 2025-09-15 2026-08-16
grafana.rnd-gov.us-gov-west-1.orcasecurity.io 2 2025-09-14 2026-08-15
grafana.staging-gov.us-gov-west-1.orcasecurity.io 2 2025-09-14 2026-08-15
grafana.production.ap-southeast-2.orcasecurity.io 2 2025-09-18 2026-08-19
grafana.production.ap-southeast-3.orcasecurity.io 2 2025-09-18 2026-08-19
api.production-infra.orcasecurity.io 5 2025-09-18 2025-10-27
app.production-infra.orcasecurity.io 5 2025-09-18 2025-10-27
mssp.production-infra.orcasecurity.io 5 2025-09-18 2025-10-27
api.sa.orcasecurity.io 2 2026-04-12 2026-09-12
app.sa.orcasecurity.io 2 2026-04-12 2026-09-12
mssp.sa.orcasecurity.io 2 2026-04-12 2026-09-12
api.id.orcasecurity.io 2 2026-04-13 2026-09-13
app.id.orcasecurity.io 2 2026-04-13 2026-09-13
mssp.id.orcasecurity.io 2 2026-04-13 2026-09-13
staging.orcasecurity.io 1 2026-02-08 2026-02-08
us.staging.orcasecurity.io 1 2026-02-08 2026-02-08
*.us.staging.orcasecurity.io 1 2026-02-08 2026-02-08
api.us.staging.orcasecurity.io 1 2026-02-08 2026-02-08
app.us.staging.orcasecurity.io 1 2026-02-08 2026-02-08
*.app.us.staging.orcasecurity.io 1 2026-02-08 2026-02-08
eu.staging.orcasecurity.io 1 2025-12-06 2025-12-06
*.eu.staging.orcasecurity.io 1 2025-12-06 2025-12-06
app.eu.staging.orcasecurity.io 2 2025-12-06 2026-02-08
*.app.eu.staging.orcasecurity.io 1 2025-12-06 2025-12-06
auth.orcasecurity.io 7 2026-05-19 2026-05-20
oauth.orcasecurity.io 1 2026-05-06 2026-05-06
track.orcasecurity.io 7 2026-04-23 2026-08-21
storybook.orcasecurity.io 5 2026-06-05 2026-10-03
*.temporal.orcasecurity.io 7 2026-05-18 2026-05-19
sap.temporal.orcasecurity.io 1 2026-09-07 2026-09-07
app.il.orcasecurity.io 1 2026-01-31 2026-01-31
mssp.il.orcasecurity.io 1 2026-01-31 2026-01-31
in.orcasecurity.io 1 2026-01-14 2026-01-14
*.in.orcasecurity.io 3 2025-11-05 2026-10-06
app.in.orcasecurity.io 2 2025-11-05 2026-10-06
*.app.in.orcasecurity.io 1 2026-01-14 2026-01-14
region-selection.orcasecurity.io 1 2026-02-17 2026-02-17
app.sap.orcasecurity.io 2 2026-03-14 2026-08-14
*.app.sap.orcasecurity.io 2 2026-03-14 2026-08-14
app-k8s.sap.orcasecurity.io 2 2026-03-14 2026-08-14
app.eu.sap.orcasecurity.io 3 2026-01-16 2026-08-14
*.app.eu.sap.orcasecurity.io 1 2026-01-16 2026-01-16
app-k8s.eu.sap.orcasecurity.io 3 2026-01-16 2026-08-14
*.app-k8s.eu.sap.orcasecurity.io 1 2026-01-16 2026-01-16
mcp.orcasecurity.io 7 2026-05-19 2026-05-20
*.mcp.orcasecurity.io 7 2026-05-19 2026-05-20
*.app.orcasecurity.io 12 2025-08-13 2026-10-06
us.staging.app.orcasecurity.io 1 2026-02-08 2026-02-08
*.us.staging.app.orcasecurity.io 1 2026-02-08 2026-02-08
eu.staging.app.orcasecurity.io 1 2026-02-08 2026-02-08
*.in.app.orcasecurity.io 1 2026-01-14 2026-01-14
sap.app.orcasecurity.io 2 2026-03-14 2026-08-14
*.sap.app.orcasecurity.io 2 2026-03-14 2026-08-14
eu.sap.app.orcasecurity.io 2 2026-03-14 2026-08-14
*.au.app.orcasecurity.io 2 2026-03-10 2026-07-26
*.eu.app.orcasecurity.io 2 2026-03-10 2026-07-26
v2.gov.app.orcasecurity.io 3 2025-10-23 2026-09-23
staging.gov.app.orcasecurity.io 2 2026-10-08 2026-10-08
us.staging.gov.app.orcasecurity.io 3 2026-02-08 2026-10-08
*.us.staging.gov.app.orcasecurity.io 1 2026-02-08 2026-02-08
us.gov.app.orcasecurity.io 4 2025-10-23 2026-09-23
*.us.gov.app.orcasecurity.io 1 2025-12-08 2025-12-08
docs.orcasecurity.io 10 2026-04-28 2026-08-24
grafana.production-tcs.us-east-1.tcs.orcasecurity.io 2 2025-11-24 2025-11-24
packages.orcasecurity.io 3 2025-10-21 2026-09-21
integrations.orcasecurity.io 3 2026-05-02 2026-10-02
*.us.orcasecurity.io 5 2025-08-13 2026-09-17
app.us.orcasecurity.io 2 2026-04-17 2026-09-17
status.orcasecurity.io 29 2026-04-23 2026-10-04
api.production-test.orcasecurity.io 2 2025-09-29 2025-10-30
app.production-test.orcasecurity.io 2 2025-09-29 2025-10-30
mssp.production-test.orcasecurity.io 2 2025-09-29 2025-10-30
au.orcasecurity.io 2 2026-03-10 2026-07-26
*.au.orcasecurity.io 4 2025-08-13 2026-07-26
app.au.orcasecurity.io 2 2025-08-13 2026-07-13
*.app.au.orcasecurity.io 2 2026-03-10 2026-07-26
eu.orcasecurity.io 2 2026-03-10 2026-07-26

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/orcasecurity.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/orcasecurity.io.