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.

73 hosts · 266 ms

HostCertsFirst seenLast seen
homeexchange.com 22 2025-07-28 2026-09-21
*.homeexchange.com 7 2026-01-19 2026-04-04
media.homeexchange.com 1 2026-07-03 2026-07-03
data.homeexchange.com 2 2026-04-11 2026-09-11
*.data.homeexchange.com 2 2026-04-11 2026-09-11
hub.data.homeexchange.com 5 2025-07-01 2026-07-22
mlflow.data.homeexchange.com 1 2026-02-02 2026-02-02
tech-doc.homeexchange.com 5 2026-05-30 2026-09-27
prod-bff-web.prod.backend.homeexchange.com 7 2025-10-15 2025-10-15
auth.preprod.homeexchange.com 10 2026-05-17 2026-09-14
back-office.homeexchange.com 4 2025-09-25 2026-01-14
messaging-websocket-service.homeexchange.com 4 2025-12-23 2026-01-14
maintenance.homeexchange.com 1 2025-12-23 2025-12-23
core.homeexchange.com 2 2026-01-14 2026-01-14
bff.homeexchange.com 16 2025-10-09 2026-01-14
staging.homeexchange.com 18 2025-07-08 2026-03-31
*.staging.homeexchange.com 14 2025-07-08 2026-04-04
media.staging.homeexchange.com 1 2026-07-03 2026-07-03
data.staging.homeexchange.com 2 2025-07-11 2026-06-11
*.data.staging.homeexchange.com 2 2025-07-11 2026-06-11
hub.data.staging.homeexchange.com 5 2025-07-01 2026-07-13
search.data.staging.homeexchange.com 1 2025-07-11 2025-07-11
ada.chatbot.data.staging.homeexchange.com 1 2025-07-11 2025-07-11
mlflow.data.staging.homeexchange.com 2 2025-11-27 2025-11-28
dev.new-backend.staging.homeexchange.com 1 2025-07-15 2025-07-15
*.dev.new-backend.staging.homeexchange.com 1 2025-07-15 2025-07-15
staging-wizard.staging.homeexchange.com 1 2026-04-01 2026-04-01
back-office.staging.homeexchange.com 4 2025-09-25 2026-01-13
messaging-websocket-service.staging.homeexchange.com 4 2025-12-23 2026-01-14
maintenance.staging.homeexchange.com 3 2025-12-19 2025-12-19
image.staging.homeexchange.com 1 2026-03-31 2026-03-31
core.staging.homeexchange.com 2 2026-01-14 2026-01-14
bff.staging.homeexchange.com 7 2025-10-09 2026-01-14
auth.staging.homeexchange.com 3 2026-05-05 2026-10-05
api.staging.homeexchange.com 14 2025-07-08 2026-01-14
back.staging.homeexchange.com 3 2025-07-08 2025-07-08
*.back.staging.homeexchange.com 21 2025-07-08 2026-01-19
he-website-mock.staging.homeexchange.com 3 2025-12-08 2026-01-13
homeexchangedays-admin.staging.homeexchange.com 2 2026-01-13 2026-01-13
back-office-migration.staging.homeexchange.com 4 2025-09-25 2026-01-13
resolution.staging.homeexchange.com 4 2025-12-08 2026-01-13
*.bo.staging.homeexchange.com 1 2025-09-08 2025-09-08
*.onair.staging.homeexchange.com 3 2026-03-31 2026-04-04
images.staging.homeexchange.com 1 2026-06-01 2026-06-01
assets.staging.homeexchange.com 1 2026-05-19 2026-05-19
homeexchangedays.staging.homeexchange.com 3 2026-01-09 2026-01-13
front.staging.homeexchange.com 3 2025-06-13 2025-06-13
*.front.staging.homeexchange.com 24 2025-06-13 2026-01-19
www.staging.homeexchange.com 10 2025-07-08 2026-01-13
blog.homeexchange.com 6 2025-11-25 2026-09-10
collection-blog.homeexchange.com 6 2026-06-20 2026-09-28
auth.homeexchange.com 2 2026-05-06 2026-10-06
api.homeexchange.com 24 2025-07-25 2026-01-14
*.back.homeexchange.com 26 2025-07-25 2026-01-19
forum.homeexchange.com 5 2026-05-22 2026-09-19
homeexchangedays-admin.homeexchange.com 2 2026-01-14 2026-01-14
verification.homeexchange.com 1 2025-11-16 2025-11-16
back-office-migration.homeexchange.com 4 2025-09-25 2026-01-14
resolution.homeexchange.com 5 2025-12-11 2026-01-14
server-down.homeexchange.com 1 2025-12-19 2025-12-19
lp.homeexchange.com 5 2026-04-28 2026-08-31
help.homeexchange.com 5 2026-04-25 2026-08-23
shop.homeexchange.com 6 2026-06-01 2026-07-30
*.onair.homeexchange.com 3 2026-04-03 2026-04-04
images.homeexchange.com 1 2026-07-23 2026-07-23
pets.homeexchange.com 3 2026-06-08 2026-08-09
assets.homeexchange.com 1 2026-05-19 2026-05-19
events.homeexchange.com 5 2026-05-04 2026-09-01
homeexchangedays.homeexchange.com 2 2026-01-13 2026-01-14
*.front.homeexchange.com 16 2025-07-28 2026-01-19
auth.dev.homeexchange.com 10 2026-05-26 2026-09-21
auth-sandbox.dev.homeexchange.com 8 2026-04-17 2026-08-14
www.homeexchange.com 12 2025-07-28 2026-01-14

Programmatic access: API GET /v1/hosts/homeexchange.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/homeexchange.com.