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.

36 hosts · 180 ms

HostCertsFirst seenLast seen
micromata.de 5 2026-06-01 2026-10-05
*.micromata.de 5 2026-06-01 2026-10-05
mm-auth1.micromata.de 4 2026-04-02 2026-09-18
www.mm-auth1.micromata.de 4 2026-04-02 2026-09-18
mm-auth2.micromata.de 3 2026-04-02 2026-09-18
www.mm-auth2.micromata.de 3 2026-04-02 2026-09-18
gitlab.micromata.de 5 2026-06-01 2026-10-05
*.gitlab.micromata.de 7 2025-09-04 2026-10-05
pages.gitlab.micromata.de 4 2026-06-01 2026-10-05
*.pages.gitlab.micromata.de 6 2025-09-04 2026-10-05
sec.micromata.de 4 2026-06-01 2026-10-05
*.sec.micromata.de 4 2026-06-01 2026-10-05
fortigate.micromata.de 5 2026-05-27 2026-09-24
ai.micromata.de 5 2026-04-27 2026-08-31
*.ai.micromata.de 5 2026-04-27 2026-08-31
xwiki.micromata.de 4 2026-06-01 2026-10-05
sap.micromata.de 5 2026-05-21 2026-09-18
*.sap.micromata.de 5 2026-05-21 2026-09-18
labs.micromata.de 5 2026-05-12 2026-09-10
corporate-publishing.solutions.micromata.de 2 2025-07-09 2026-06-09
corporate-publishing-next.solutions.micromata.de 2 2025-09-11 2026-08-12
corporate-publishing-dev.solutions.micromata.de 2 2025-06-29 2026-05-30
status.micromata.de 5 2026-05-11 2026-09-14
news.aws.micromata.de 1 2025-07-31 2025-07-31
www.news.aws.micromata.de 1 2025-07-31 2025-07-31
springboot.aws.micromata.de 1 2025-06-17 2025-06-17
openproject.micromata.de 5 2026-05-11 2026-09-14
demo.stackit.micromata.de 2 2026-05-19 2026-05-19
*.demo.stackit.micromata.de 2 2026-05-19 2026-05-19
*.mgmt.micromata.de 2 2025-08-14 2026-07-20
mail-int.micromata.de 4 2026-04-18 2026-08-18
qpilot.micromata.de 4 2026-04-20 2026-08-24
mgmt.proxtest.micromata.de 5 2026-05-04 2026-09-07
*.mgmt.proxtest.micromata.de 5 2026-05-04 2026-09-07
yellow.micromata.de 4 2026-06-01 2026-10-05
*.yellow.micromata.de 4 2026-06-01 2026-10-05

Programmatic access: API GET /v1/hosts/micromata.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/micromata.de.