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.

53 hosts · 210 ms

HostCertsFirst seenLast seen
shares.io 13 2025-08-04 2026-09-12
*.shares.io 8 2025-06-24 2026-07-04
partner2.shares.io 3 2026-03-25 2026-08-25
staging-partner2.shares.io 3 2026-03-25 2026-08-25
*.staging-partner2.shares.io 6 2026-03-25 2026-08-25
golden-gun.staging-partner2.shares.io 4 2026-01-30 2026-08-04
*.golden-gun.staging-partner2.shares.io 4 2026-01-30 2026-08-04
doc.pro.staging-partner2.shares.io 2 2026-03-25 2026-08-25
www.doc.pro.staging-partner2.shares.io 2 2026-03-25 2026-08-25
www.staging-partner2.shares.io 3 2026-03-25 2026-08-25
dev-partner2.shares.io 2 2025-07-31 2026-07-01
*.dev-partner2.shares.io 4 2025-07-31 2026-07-01
golden-gun.dev-partner2.shares.io 2 2026-01-30 2026-07-28
*.golden-gun.dev-partner2.shares.io 2 2026-01-30 2026-07-28
doc.pro.dev-partner2.shares.io 1 2025-12-31 2025-12-31
www.doc.pro.dev-partner2.shares.io 1 2025-12-31 2025-12-31
support.dev-partner2.shares.io 1 2025-10-01 2025-10-01
www.dev-partner2.shares.io 2 2025-07-31 2026-07-01
*.partner2.shares.io 6 2026-03-25 2026-08-25
golden-gun.partner2.shares.io 4 2026-01-30 2026-08-07
*.golden-gun.partner2.shares.io 4 2026-01-30 2026-08-07
doc.pro.partner2.shares.io 2 2026-03-25 2026-08-25
www.doc.pro.partner2.shares.io 2 2026-03-25 2026-08-25
www.partner2.shares.io 3 2026-03-25 2026-08-25
cde.shares.io 15 2026-05-19 2026-09-27
*.cde.shares.io 15 2026-05-19 2026-09-27
dev-mlk.shares.io 1 2026-05-26 2026-05-26
*.dev-mlk.shares.io 2 2026-05-26 2026-05-26
golden-gun.dev-mlk.shares.io 2 2026-05-26 2026-07-28
*.golden-gun.dev-mlk.shares.io 2 2026-05-26 2026-07-28
doc.pro.dev-mlk.shares.io 1 2026-05-26 2026-05-26
www.doc.pro.dev-mlk.shares.io 1 2026-05-26 2026-05-26
support.dev-mlk.shares.io 1 2026-05-26 2026-05-26
www.dev-mlk.shares.io 1 2026-05-26 2026-05-26
link.shares.io 5 2026-05-04 2026-09-03
form.shares.io 3 2026-04-17 2026-07-15
golden-gun.shares.io 2 2026-01-30 2026-08-07
*.golden-gun.shares.io 2 2026-01-30 2026-08-07
pro.shares.io 2 2025-10-01 2026-09-01
compte-pro.shares.io 8 2026-04-28 2026-08-24
*.pro.shares.io 2 2025-10-01 2026-09-01
doc.pro.shares.io 1 2025-12-14 2025-12-14
www.doc.pro.shares.io 1 2025-12-14 2025-12-14
coder.shares.io 1 2026-01-28 2026-01-28
*.coder.shares.io 1 2026-01-28 2026-01-28
prd-jpm-mtls.shares.io 3 2025-09-18 2026-08-25
uat-jpm-mtls.shares.io 2 2025-09-09 2025-09-18
prd-jpm-digit.shares.io 3 2025-09-18 2026-08-25
uat-jpm-digit.shares.io 1 2025-09-10 2025-09-10
support.shares.io 1 2025-11-28 2025-11-28
uat-jpm-mtls-renew.shares.io 4 2026-08-21 2026-08-29
uat-jpm-digit-renew.shares.io 2 2026-08-21 2026-08-21
www.shares.io 8 2025-08-04 2026-09-13

Programmatic access: API GET /v1/hosts/shares.io (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/shares.io.