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.

48 hosts · 272 ms

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HostCertsFirst seenLast seen
hvv.de 1 2026-02-12 2026-02-12
*.hvv.de 1 2026-02-12 2026-02-12
azuresbc01.hvv.de 2 2026-03-23 2026-10-05
abo2.hvv.de 4 2026-03-30 2026-09-15
rvs1109-abna.hvv.de 1 2026-03-04 2026-03-04
kvpsuche-abna.hvv.de 4 2026-03-25 2026-09-29
ete-abna.hvv.de 1 2026-03-04 2026-03-04
qa.hvv.de 5 2026-05-20 2026-09-23
sageweb.hvv.de 1 2026-04-20 2026-04-20
prod.hvv.de 5 2026-05-20 2026-09-21
rvs1109-prod.hvv.de 1 2026-03-04 2026-03-04
kvpsuche-prod.hvv.de 4 2026-03-25 2026-09-29
ete-prod.hvv.de 1 2026-03-04 2026-03-04
hvv-card.hvv.de 3 2026-03-27 2026-09-29
styleguide.hvv.de 5 2026-05-20 2026-09-15
stage.hvv.de 5 2026-05-20 2026-09-23
startkarten-stage.hvv.de 2 2025-11-11 2025-12-11
antje.hvv.de 1 2026-01-28 2026-01-28
kmi.hvv.de 9 2026-05-13 2026-10-10
link.hvv.de 10 2026-05-08 2026-09-03
storybook.hvv.de 5 2026-05-19 2026-09-22
roadslocal.hvv.de 1 2025-08-27 2025-08-27
mail.hvv.de 1 2026-03-23 2026-03-23
haltestellen.hvv.de 3 2026-06-15 2026-08-25
startkarten.hvv.de 2 2025-09-14 2026-01-05
info.hvv.de 5 2026-05-11 2026-09-08
hvvmo.hvv.de 1 2026-01-30 2026-01-30
*.hvvmo.hvv.de 1 2026-01-30 2026-01-30
shop.hvv.de 5 2026-05-24 2026-09-21
app.hvv.de 2 2026-05-01 2026-05-01
omnitracker.hvv.de 1 2026-02-04 2026-02-04
flowmailer.hvv.de 3 2026-06-05 2026-08-20
diva-dashboards.hvv.de 1 2025-09-14 2025-09-14
infos.hvv.de 5 2026-05-11 2026-09-08
abo2-qs.hvv.de 4 2026-03-30 2026-09-15
hvv-card-qs.hvv.de 3 2026-03-27 2026-09-29
kmi-qs.hvv.de 4 2026-06-12 2026-10-10
shop-qs.hvv.de 8 2026-05-19 2026-09-28
geofox-qs.hvv.de 2 2025-10-24 2026-10-08
news.hvv.de 5 2026-05-11 2026-09-08
barrierefreiheit.hvv.de 3 2026-06-15 2026-08-25
omnitracker-client.hvv.de 1 2026-02-20 2026-02-20
support.hvv.de 1 2026-09-14 2026-09-14
omnitracker-test.hvv.de 1 2026-02-05 2026-02-05
omnitracker-client-test.hvv.de 1 2026-02-20 2026-02-20
geofox-test.hvv.de 2 2025-10-24 2026-10-08
review.hvv.de 3 2026-06-16 2026-08-17
geofox.hvv.de 2 2025-10-24 2026-10-08

Programmatic access: API GET /v1/hosts/hvv.de (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/hvv.de.