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.

14 hosts · 210 ms

HostCertsFirst seenLast seen
merk-echt.nl 10 2026-05-08 2026-09-03
cloud.me.merk-echt.nl 1 2026-05-21 2026-05-21
image.me.merk-echt.nl 3 2025-09-13 2026-08-17
click.me.merk-echt.nl 2 2025-07-06 2026-06-24
view.me.merk-echt.nl 1 2026-05-23 2026-05-23
offerte.merk-echt.nl 5 2026-05-13 2026-09-11
afbeelding.merk-echt.nl 3 2026-04-20 2026-09-26
gtm.merk-echt.nl 3 2026-05-02 2026-08-16
sgtm.merk-echt.nl 4 2026-05-30 2026-09-26
betalen.merk-echt.nl 21 2026-05-06 2026-10-02
domein.merk-echt.nl 5 2026-04-18 2026-10-06
mijn.merk-echt.nl 13 2026-04-21 2026-10-01
redirect.merk-echt.nl 5 2026-05-30 2026-09-03
www.merk-echt.nl 13 2025-10-13 2026-09-03

Programmatic access: API GET /v1/hosts/merk-echt.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/merk-echt.nl.