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.

11 hosts · 406 ms

HostCertsFirst seenLast seenDNS
ecodms.de 10 2026-05-15 2026-09-13 ok
downloadarchive.ecodms.de 5 2026-04-23 2026-08-22 ok
changelog.ecodms.de 1 2026-04-07 2026-04-07 nodata
go.ecodms.de 1 2026-08-24 2026-08-24 ok
jobs.ecodms.de 5 2026-04-25 2026-08-23 ok
lists.ecodms.de 10 2026-05-15 2026-09-13 ok
www.lists.ecodms.de 10 2026-05-15 2026-09-13 ok
my-test.ecodms.de 3 2026-07-15 2026-09-13 ok
vt.ecodms.de 1 2026-08-24 2026-08-24 ok
www.ecodms.de 10 2026-05-15 2026-09-13 ok
my.ecodms.de 4 2026-04-16 2026-08-14 ok

Programmatic access, with DNS A records: API GET /v1/hosts/ecodms.de (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/ecodms.de.