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.

15 hosts · 238 ms

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HostCertsFirst seenLast seen
bornprimitive.com 20 2026-04-22 2026-10-06
*.bornprimitive.com 6 2026-04-22 2026-10-06
ssc.bornprimitive.com 2 2026-08-27 2026-08-27
edi.bornprimitive.com 11 2026-06-19 2026-10-15
assets.edi.bornprimitive.com 10 2026-05-09 2026-09-04
api.bornprimitive.com 7 2026-05-30 2026-09-25
tactical.bornprimitive.com 13 2026-05-31 2026-10-10
models.bornprimitive.com 13 2026-06-18 2026-10-14
sms.bornprimitive.com 12 2026-05-11 2026-09-06
models.assets.bornprimitive.com 10 2026-06-11 2026-10-08
cdn.assests.bornprimitive.com 11 2026-05-30 2026-09-25
account.bornprimitive.com 12 2026-05-27 2026-09-25
dev.bornprimitive.com 13 2026-05-16 2026-09-27
gov.bornprimitive.com 8 2026-05-15 2026-09-10
www.bornprimitive.com 11 2026-05-16 2026-09-26

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