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.

5 hosts · 191 ms

Download CSV
HostCertsFirst seenLast seen
escare.co.kr 28 2025-07-14 2026-10-08
*.escare.co.kr 14 2025-07-14 2026-10-08
gw.escare.co.kr 4 2025-09-01 2026-09-01
www.escare.co.kr 10 2026-05-11 2026-09-10
*.www.escare.co.kr 4 2026-05-11 2026-05-12

Programmatic access: API GET /v1/hosts/escare.co.kr (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/escare.co.kr.