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.

63 hosts · 185 ms

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HostCertsFirst seenLast seen
29cm.co.kr 17 2025-09-17 2026-08-25
*.29cm.co.kr 32 2025-06-23 2026-10-11
*.qa1.29cm.co.kr 2 2025-09-01 2026-08-02
dev1.29cm.co.kr 1 2025-09-16 2025-09-16
*.dev1.29cm.co.kr 3 2025-09-16 2026-08-17
*.qa2.29cm.co.kr 2 2025-09-01 2026-08-02
dev2.29cm.co.kr 1 2025-09-16 2025-09-16
*.dev2.29cm.co.kr 3 2025-09-16 2026-08-17
*.qa3.29cm.co.kr 2 2025-09-01 2026-08-02
dev3.29cm.co.kr 1 2025-09-16 2025-09-16
*.dev3.29cm.co.kr 3 2025-09-16 2026-08-17
*.qa4.29cm.co.kr 2 2025-09-01 2026-08-02
dev4.29cm.co.kr 1 2025-09-16 2025-09-16
*.dev4.29cm.co.kr 3 2025-09-16 2026-08-17
*.qa5.29cm.co.kr 2 2025-09-01 2026-08-02
dev5.29cm.co.kr 1 2025-09-16 2025-09-16
*.dev5.29cm.co.kr 3 2025-09-16 2026-08-17
media.29cm.co.kr 3 2026-01-04 2026-09-08
dataplatform-kibana.29cm.co.kr 3 2026-05-30 2026-09-13
dev-dataplatform-kibana.29cm.co.kr 4 2026-04-28 2026-10-08
dataplatform-grafana.29cm.co.kr 4 2026-05-05 2026-10-10
dev-dataplatform-grafana.29cm.co.kr 3 2026-05-26 2026-09-11
dataplatform-argocd.29cm.co.kr 4 2026-05-30 2026-09-14
dev-dataplatform-argocd.29cm.co.kr 4 2026-04-19 2026-09-29
feed.29cm.co.kr 2 2026-09-08 2026-09-08
cdn-resource-microservice.29cm.co.kr 1 2026-01-12 2026-01-12
cs-home.29cm.co.kr 5 2026-05-06 2026-10-06
db-switching-control-plane.29cm.co.kr 2 2026-09-08 2026-09-08
cs-customer-bff.29cm.co.kr 2 2026-09-07 2026-09-07
*.perf.29cm.co.kr 2 2025-09-01 2026-08-02
img.29cm.co.kr 2 2025-07-11 2026-06-10
tmp-img.29cm.co.kr 2 2026-04-12 2026-09-12
stg.29cm.co.kr 1 2025-12-23 2025-12-23
*.stg.29cm.co.kr 1 2025-12-23 2025-12-23
dev-batch.29cm.co.kr 2 2026-04-27 2026-09-27
jshkyh.29cm.co.kr 3 2026-05-17 2026-10-07
genadmi.29cm.co.kr 2 2026-09-29 2026-09-29
shadow-traffic-api.29cm.co.kr 2 2026-09-08 2026-09-08
sdui-core-api.29cm.co.kr 2 2026-09-08 2026-09-08
user-auth-api.29cm.co.kr 2 2026-09-08 2026-09-08
external-api.29cm.co.kr 2 2026-09-08 2026-09-08
content-admin-api.29cm.co.kr 2 2026-09-08 2026-09-08
beacon-api.29cm.co.kr 2 2026-09-08 2026-09-08
curator-api.29cm.co.kr 5 2026-10-01 2026-10-13
statistics-api.29cm.co.kr 2 2026-09-08 2026-09-08
cart-api.29cm.co.kr 2 2026-08-20 2026-08-20
community-api.29cm.co.kr 2 2026-09-08 2026-09-08
dataplatform-gtm.29cm.co.kr 3 2026-05-22 2026-09-06
dev-dataplatform-gtm.29cm.co.kr 3 2026-05-10 2026-08-28
community-admin.29cm.co.kr 2 2026-09-08 2026-09-08
mother.29cm.co.kr 3 2026-01-30 2026-09-29
partner-mother.29cm.co.kr 8 2026-04-27 2026-08-23
partner.29cm.co.kr 3 2026-01-30 2026-09-29
curator.29cm.co.kr 4 2026-09-08 2026-10-13
dataplatform-collector.29cm.co.kr 3 2026-06-02 2026-09-19
dev-dataplatform-collector.29cm.co.kr 4 2026-06-04 2026-09-18
plugins.29cm.co.kr 2 2026-09-16 2026-09-16
careers.29cm.co.kr 2 2026-04-20 2026-04-20
pt-aws.29cm.co.kr 1 2026-01-04 2026-01-04
ticket.29cm.co.kr 2 2026-09-08 2026-09-08
asset.29cm.co.kr 2 2026-04-12 2026-09-12
pt.29cm.co.kr 1 2026-01-04 2026-01-04
cs-home.dev.29cm.co.kr 1 2026-05-06 2026-05-06

Programmatic access: API GET /v1/hosts/29cm.co.kr (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/29cm.co.kr.