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.

65 hosts · 410 ms

HostCertsFirst seenLast seenDNS
coupang.com 36 2025-07-04 2026-10-05 ok
*.coupang.com 74 2025-06-27 2026-10-07 —
authxtest2.coupang.com 1 2026-09-16 2026-09-16 nxdomain
kr1a.coupang.com 1 2026-09-09 2026-09-09 nxdomain
www.ariba.coupang.com 3 2026-04-19 2026-09-19 ok
rocketyourcareer.usa.coupang.com 3 2026-02-22 2026-10-06 ok
circleci-ghec.coupang.com 1 2025-12-16 2025-12-16 ok
app.circleci-ghec.coupang.com 4 2025-12-16 2025-12-30 ok
cic.coupang.com 6 2025-11-03 2026-10-04 ok
*.cic.coupang.com 22 2025-07-04 2026-10-04 —
authx-cpg.cic.coupang.com 10 2026-05-28 2026-09-23 ok
support.cic.coupang.com 5 2026-05-24 2026-09-21 ok
authx.cic.coupang.com 10 2026-05-01 2026-08-28 ok
observability.cic.coupang.com 2 2026-04-14 2026-04-16 ok
scheduler.observability.cic.coupang.com 1 2026-04-14 2026-04-14 nxdomain
www.scheduler.observability.cic.coupang.com 1 2026-04-14 2026-04-14 nxdomain
k8s.observability.cic.coupang.com 1 2026-04-14 2026-04-14 nxdomain
www.k8s.observability.cic.coupang.com 1 2026-04-14 2026-04-14 nxdomain
www.observability.cic.coupang.com 1 2026-04-16 2026-04-16 nxdomain
marketplace.coupang.com 8 2026-05-28 2026-09-23 ok
zendesk-cpf-api.coupang.com 1 2026-04-30 2026-04-30 ok
rocketyourcareer.cn.coupang.com 2 2026-02-22 2026-06-14 ok
jp.coupang.com 16 2025-09-16 2026-09-15 nxdomain
*.jp.coupang.com 31 2025-07-25 2026-09-20 —
ipmcorp.coupang.com 7 2026-05-06 2026-09-14 ok
rocketyourcareer.kr.coupang.com 3 2026-02-22 2026-10-06 ok
ethics.coupang.com 2 2026-03-25 2026-08-25 ok
www.ethics.coupang.com 2 2026-03-25 2026-08-25 ok
cfshrcs.coupang.com 4 2026-04-20 2026-08-18 ok
solutions.coupang.com 7 2026-05-06 2026-09-14 ok
counos.coupang.com 7 2026-03-11 2026-08-11 nxdomain
*.counos.coupang.com 7 2026-03-11 2026-08-11 —
suppliers.coupang.com 2 2026-03-11 2026-07-27 ok
www.suppliers.coupang.com 2 2026-03-11 2026-07-27 ok
eats.coupang.com 7 2026-05-06 2026-09-14 ok
altus.coupang.com 17 2025-07-15 2026-09-09 ok
*.altus.coupang.com 20 2025-07-15 2026-09-20 —
authx-stg2.altus.coupang.com 8 2026-04-18 2026-08-16 ok
authx-test2.altus.coupang.com 1 2026-04-16 2026-04-16 nxdomain
www.authx-test2.altus.coupang.com 1 2026-04-16 2026-04-16 nxdomain
*.serve.altus.coupang.com 14 2025-07-15 2026-09-01 —
dep-monitoring.altus.coupang.com 2 2026-04-14 2026-04-15 nxdomain
scheduler.dep-monitoring.altus.coupang.com 1 2026-04-14 2026-04-14 nxdomain
www.scheduler.dep-monitoring.altus.coupang.com 1 2026-04-14 2026-04-14 nxdomain
k8s.dep-monitoring.altus.coupang.com 1 2026-04-14 2026-04-14 nxdomain
www.k8s.dep-monitoring.altus.coupang.com 1 2026-04-14 2026-04-14 nxdomain
www.dep-monitoring.altus.coupang.com 1 2026-04-15 2026-04-15 nxdomain
authx-stg.altus.coupang.com 8 2026-04-12 2026-08-09 ok
authx-dev.altus.coupang.com 8 2026-04-17 2026-08-14 ok
cloud.mkt.coupang.com 2 2025-07-08 2026-06-26 ok
image.mkt.coupang.com 4 2025-08-16 2026-09-29 ok
click.mkt.coupang.com 2 2025-07-25 2026-07-12 ok
view.mkt.coupang.com 2 2025-07-08 2026-06-25 nxdomain
cloud.twmkt.coupang.com 3 2026-03-09 2026-08-11 ok
image.twmkt.coupang.com 3 2026-01-16 2026-01-27 ok
click.twmkt.coupang.com 3 2026-03-09 2026-08-11 ok
view.twmkt.coupang.com 3 2026-03-09 2026-08-10 ok
support.coupang.com 7 2026-05-06 2026-09-14 ok
akamai-test.coupang.com 2 2026-05-03 2026-10-03 ok
tw.coupang.com 7 2025-08-02 2026-10-07 ok
*.tw.coupang.com 26 2025-06-28 2026-10-07 —
pay-webhook.tw.coupang.com 1 2026-09-09 2026-09-09 ok
payment.tw.coupang.com 2 2025-08-20 2026-06-21 ok
pay.tw.coupang.com 2 2025-08-20 2026-06-21 ok
pay.coupang.com 2 2025-08-20 2026-06-21 ok

Programmatic access, with DNS A records: API GET /v1/hosts/coupang.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/coupang.com.