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.

33 hosts · 272 ms

HostCertsFirst seenLast seen
macro.com 2 2025-12-24 2026-02-09
*.macro.com 2 2025-12-24 2026-01-26
api-prod.macro.com 2 2025-06-14 2026-05-15
www.api-prod.macro.com 2 2025-06-14 2026-05-15
dashboard.macro.com 2 2025-06-14 2026-05-15
www.dashboard.macro.com 2 2025-06-14 2026-05-15
pdf-service.macro.com 2 2026-04-07 2026-09-07
docx-service.macro.com 2 2026-04-07 2026-09-07
edge.macro.com 6 2026-04-29 2026-08-25
ai.macro.com 1 2026-01-08 2026-01-08
api.macro.com 2 2025-06-14 2026-05-15
www.api.macro.com 2 2025-06-14 2026-05-15
link.macro.com 2 2026-03-11 2026-07-27
mailer.macro.com 2 2026-04-10 2026-09-10
analytics.macro.com 10 2026-05-28 2026-09-27
docs.macro.com 4 2026-04-17 2026-08-17
webhooks.macro.com 2 2026-04-12 2026-09-12
status.macro.com 4 2026-06-02 2026-10-06
market.macro.com 12 2026-05-27 2026-10-06
pdf-service-dev.macro.com 2 2026-03-04 2026-07-20
docx-service-dev.macro.com 2 2026-03-04 2026-07-20
ai-dev.macro.com 1 2026-01-08 2026-01-08
api-dev.macro.com 2 2026-04-29 2026-09-29
www.api-dev.macro.com 2 2026-04-29 2026-09-29
linksharing-demo-dev.macro.com 1 2026-01-17 2026-01-17
*.linksharing-demo-dev.macro.com 1 2026-01-17 2026-01-17
dashboarddev.macro.com 2 2025-06-15 2026-05-16
*.preview.macro.com 1 2026-01-07 2026-01-07
www.macro.com 1 2026-02-09 2026-02-09
relay.macro.com 1 2026-04-28 2026-04-28
*.relay.macro.com 1 2026-04-28 2026-04-28
security.macro.com 2 2026-08-17 2026-08-17
blockparty.macro.com 8 2026-06-10 2026-10-06

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