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.

51 hosts · 230 ms

HostCertsFirst seenLast seen
alpha.partnerships.api.health.amazon 1 2026-01-07 2026-01-07
pccola.partnerships.api.health.amazon 2 2026-04-06 2026-09-06
keithgma.partnerships.api.health.amazon 2 2025-07-08 2026-06-08
gamma.partnerships.api.health.amazon 2 2025-09-27 2026-08-28
beta.partnerships.api.health.amazon 1 2026-01-09 2026-01-09
prod.partnerships.api.health.amazon 2 2025-09-28 2026-08-29
sooyang.partnerships.api.health.amazon 6 2025-08-28 2026-02-12
beta.onboarding.partnerships.api.health.amazon 1 2026-10-02 2026-10-02
johcaban.partnerships.api.health.amazon 2 2025-10-26 2026-09-26
fusman.partnerships.api.health.amazon 4 2025-11-07 2026-02-18
rossmelv.partnerships.api.health.amazon 2 2025-06-19 2026-05-20
prescriber-alpha.pharmacy.api.health.amazon 2 2025-09-01 2026-08-02
partner-alpha.pharmacy.api.health.amazon 2 2025-09-16 2026-08-17
prescriber-gamma.pharmacy.api.health.amazon 2 2025-07-01 2026-06-01
prescriber-beta.pharmacy.api.health.amazon 2 2025-09-01 2026-08-02
partner-beta.pharmacy.api.health.amazon 2 2025-09-16 2026-08-17
partner-alpha-auth.pharmacy.api.health.amazon 1 2026-05-11 2026-05-11
partner-beta-auth.pharmacy.api.health.amazon 1 2026-05-13 2026-05-13
partner-alpha.auth.pharmacy.api.health.amazon 5 2026-05-18 2026-05-18
partner-beta.auth.pharmacy.api.health.amazon 1 2026-05-19 2026-05-19
partner-prod.auth.pharmacy.api.health.amazon 1 2026-07-01 2026-07-01
prescriber.pharmacy.api.health.amazon 2 2025-09-17 2026-08-18
partner.pharmacy.api.health.amazon 2 2025-10-08 2026-09-08
partner-alpha-mtls.pharmacy.api.health.amazon 2 2025-10-06 2026-09-06
partner-beta-mtls.pharmacy.api.health.amazon 2 2025-10-12 2026-09-12
partner-mtls.pharmacy.api.health.amazon 1 2025-11-17 2025-11-17
partner-alpha-jws.pharmacy.api.health.amazon 2 2025-09-27 2026-08-28
partner-beta-jws.pharmacy.api.health.amazon 2 2025-09-27 2026-08-28
partner-jws.pharmacy.api.health.amazon 1 2025-11-17 2025-11-17
partner-sandbox.pharmacy.api.health.amazon 8 2025-08-14 2026-07-17
cloud.email.onemedical.health.amazon 3 2026-03-17 2026-08-18
image.email.onemedical.health.amazon 5 2026-03-17 2026-09-08
click.email.onemedical.health.amazon 3 2026-03-17 2026-08-18
view.email.onemedical.health.amazon 4 2026-03-17 2026-09-21
email.health.amazon 2 2025-09-23 2025-09-24
alpha.email.health.amazon 1 2025-09-11 2025-09-11
gamma.email.health.amazon 1 2025-09-16 2025-09-16
assets.gamma.email.health.amazon 2 2025-09-23 2026-08-24
cld.email.health.amazon 3 2026-03-29 2026-08-30
cloud.email.health.amazon 5 2025-10-21 2025-11-17
image.email.health.amazon 2 2025-10-01 2026-06-25
click.email.health.amazon 1 2025-10-21 2025-10-21
assets.email.health.amazon 3 2025-10-02 2026-09-02
view.email.health.amazon 1 2025-10-21 2025-10-21
alpha.click.notifications.health.amazon 2 2025-08-27 2026-07-28
gamma.click.notifications.health.amazon 2 2025-09-07 2026-08-08
beta.click.notifications.health.amazon 2 2025-09-07 2026-08-08
cloud.email.pharmacy.health.amazon 3 2026-03-17 2026-08-18
image.email.pharmacy.health.amazon 5 2026-03-17 2026-09-08
click.email.pharmacy.health.amazon 3 2026-03-17 2026-08-19
view.email.pharmacy.health.amazon 3 2026-03-17 2026-08-19

Programmatic access: API GET /v1/hosts/health.amazon (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/health.amazon.