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.

41 hosts · 165 ms

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HostCertsFirst seenLast seen
ah.be 7 2025-08-27 2026-09-28
tst2.ah.be 2 2025-08-22 2026-08-13
beta.ah.be 3 2025-09-04 2026-08-19
pixal-web.ah.be 3 2026-06-18 2026-06-19
v3-pixal-web.ah.be 11 2025-09-12 2026-06-25
expand-pixal-web.ah.be 7 2026-05-08 2026-06-25
acc.ah.be 3 2025-09-04 2026-08-19
pixal-web-acc.ah.be 2 2026-06-18 2026-06-19
v3-pixal-web-acc.ah.be 9 2025-09-04 2026-06-25
expand-pixal-web-acc.ah.be 6 2026-05-07 2026-06-25
api-acc.ah.be 6 2025-08-26 2026-08-19
pixal-acc.ah.be 5 2025-09-04 2026-06-19
v2-pixal-acc.ah.be 4 2025-09-04 2026-06-18
v3-pixal-acc.ah.be 9 2025-09-04 2026-06-25
login-acc.ah.be 6 2025-08-26 2026-08-19
mijn-acc.ah.be 6 2025-08-26 2026-08-19
preview-acc.ah.be 3 2025-09-04 2026-08-19
www.preview-acc.ah.be 3 2025-09-04 2026-08-19
nieuwsbrief.ah.be 10 2026-05-23 2026-09-18
efteling.ah.be 17 2025-08-01 2026-10-02
www.efteling.ah.be 5 2025-08-01 2026-05-13
api.ah.be 6 2025-08-27 2026-09-28
pixal.ah.be 7 2025-09-12 2026-06-19
v2-pixal.ah.be 6 2025-09-12 2026-06-18
v3-pixal.ah.be 11 2025-09-12 2026-06-25
login.ah.be 6 2025-08-27 2026-09-28
beta-login.ah.be 6 2025-08-26 2026-08-19
mijn.ah.be 6 2025-08-27 2026-09-28
voordeelshop.ah.be 18 2026-04-30 2026-09-07
www.voordeelshop.ah.be 4 2026-05-13 2026-10-08
brainbooster.ah.be 5 2026-04-30 2026-08-27
ah-tst.k8s.ah.be 3 2025-09-02 2026-08-19
*.ah-tst.k8s.ah.be 3 2025-09-02 2026-08-19
tst.ah.be 2 2025-08-22 2026-08-13
api-tst.ah.be 6 2025-08-22 2026-08-13
login-tst.ah.be 6 2025-08-22 2026-08-13
mijn-tst.ah.be 6 2025-08-22 2026-08-13
preview-tst.ah.be 2 2025-08-22 2026-08-13
preview.ah.be 2 2025-09-13 2026-08-31
www.preview.ah.be 2 2025-09-13 2026-08-31
www.ah.be 6 2025-08-27 2026-09-28

Programmatic access: API GET /v1/hosts/ah.be (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/ah.be.