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.

6 hosts · 200 ms

HostCertsFirst seenLast seen
escentual.com 13 2026-05-15 2026-09-25
local.escentual.com 5 2026-04-26 2026-08-24
*.local.escentual.com 5 2026-04-26 2026-08-24
account.escentual.com 15 2026-05-16 2026-09-26
www.escentual.com 15 2026-05-15 2026-09-26
oldwww.escentual.com 5 2026-05-17 2026-09-14

Programmatic access: API GET /v1/hosts/escentual.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/escentual.com.