Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts, first/last seen and live DNS status.

10 hosts · 231 ms

HostCertsFirst seenLast seenDNS
lootjestrekken.nl 8 2025-10-28 2026-09-07 ok
*.lootjestrekken.nl 3 2025-10-28 2026-08-17 —
gf-search.lootjestrekken.nl 2 2026-03-06 2026-06-30 ok
gf-searchkeywords.lootjestrekken.nl 2 2026-03-06 2026-06-30 ok
gf-categories.lootjestrekken.nl 2 2026-03-06 2026-06-30 ok
gf-details.lootjestrekken.nl 2 2026-03-06 2026-06-30 ok
gf-wishgiftdetails.lootjestrekken.nl 2 2026-03-06 2026-06-30 ok
gf-merchants.lootjestrekken.nl 2 2026-03-06 2026-06-30 ok
gf-selectwishgift.lootjestrekken.nl 2 2026-03-06 2026-06-30 ok
www.lootjestrekken.nl 5 2026-03-06 2026-09-07 ok

Programmatic access, with DNS A records: API GET /v1/hosts/lootjestrekken.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/lootjestrekken.nl.