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.

4 hosts · 272 ms

HostCertsFirst seenLast seen
image.shopbop-mail.com 4 2025-08-27 2026-08-10
click.shopbop-mail.com 3 2025-09-04 2026-08-22
pages.shopbop-mail.com 3 2025-09-04 2026-08-24
view.shopbop-mail.com 3 2025-09-04 2026-08-22

Programmatic access: API GET /v1/hosts/shopbop-mail.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/shopbop-mail.com.