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.

7 hosts · 303 ms

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HostCertsFirst seenLast seen
wamiz.nl 43 2026-05-07 2026-09-30
*.wamiz.nl 26 2026-05-07 2026-09-30
petgen.wamiz.nl 8 2026-05-19 2026-09-14
spellen.wamiz.nl 5 2026-05-28 2026-09-25
url6846.info.wamiz.nl 6 2026-05-11 2026-09-06
qualifio.wamiz.nl 4 2026-05-30 2026-07-29
cms.wamiz.nl 9 2026-05-26 2026-09-21

Programmatic access: API GET /v1/hosts/wamiz.nl (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/wamiz.nl.