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.

15 hosts · 312 ms

HostCertsFirst seenLast seenDNS
motivated.com 9 2025-09-02 2026-10-01 ok
*.motivated.com 9 2025-09-02 2026-10-01 —
cloud.mail.motivated.com 3 2025-08-04 2026-09-07 ok
image.mail.motivated.com 2 2025-10-08 2026-02-04 ok
click.mail.motivated.com 2 2025-10-08 2026-09-25 ok
view.mail.motivated.com 2 2025-10-08 2026-09-25 ok
cloud.em.motivated.com 1 2026-02-12 2026-02-12 servfail
image.em.motivated.com 8 2026-02-12 2026-09-08 ok
click.em.motivated.com 1 2026-02-12 2026-02-12 ok
view.em.motivated.com 1 2026-02-12 2026-02-12 ok
scdn.motivated.com 6 2025-11-08 2026-09-07 ok
motivatedupdates.motivated.com 8 2026-04-14 2026-08-10 ok
ambassadors.motivated.com 2 2026-04-26 2026-09-26 ok
get.motivated.com 6 2026-04-14 2026-09-14 ok
support.motivated.com 3 2026-06-08 2026-08-13 ok

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