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 · 410 ms

HostCertsFirst seenLast seenDNS
erikalust.com 38 2025-07-01 2026-09-30 ok
*.erikalust.com 38 2025-07-01 2026-09-30 —
*.dev-store.erikalust.com 1 2026-02-19 2026-02-19 —
img.erikalust.com 2 2025-08-05 2026-07-23 ok
clickom.erikalust.com 3 2025-10-13 2026-09-13 ok
career.erikalust.com 5 2026-05-07 2026-09-05 ok
images.erikalust.com 2 2025-08-05 2026-07-23 ok
affiliates.erikalust.com 11 2026-05-27 2026-09-22 ok
static-test.erikalust.com 2 2026-04-02 2026-09-02 ok
*.dev.erikalust.com 1 2026-02-19 2026-02-19 —
community.erikalust.com 10 2026-05-20 2026-09-16 ok

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