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.

16 hosts · 272 ms

HostCertsFirst seenLast seenDNS
marliesdekkers.com 15 2026-05-16 2026-09-26 ok
*.marliesdekkers.com 1 2026-07-08 2026-07-08 —
fb.marliesdekkers.com 8 2026-04-16 2026-08-12 ok
magazine.marliesdekkers.com 15 2026-04-14 2026-08-24 nxdomain
uk.marliesdekkers.com 13 2026-04-14 2026-08-25 nxdomain
cloud.email.marliesdekkers.com 1 2025-11-05 2025-11-05 ok
image.email.marliesdekkers.com 4 2026-03-19 2026-09-20 ok
click.email.marliesdekkers.com 1 2025-11-05 2025-11-05 ok
view.email.marliesdekkers.com 1 2025-11-05 2025-11-05 ok
jobs.marliesdekkers.com 5 2026-04-30 2026-08-28 ok
www.jobs.marliesdekkers.com 5 2026-05-24 2026-09-21 ok
tickets.marliesdekkers.com 9 2026-05-25 2026-09-20 ok
us.marliesdekkers.com 13 2026-04-14 2026-08-23 nxdomain
account.marliesdekkers.com 15 2026-04-15 2026-09-28 nxdomain
eu.marliesdekkers.com 15 2026-04-14 2026-08-24 nxdomain
www.marliesdekkers.com 13 2026-05-16 2026-09-27 nxdomain

Programmatic access, with DNS A records: API GET /v1/hosts/marliesdekkers.com (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/marliesdekkers.com.