Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts, first/last seen and live DNS status.

32 hosts · 379 ms

HostCertsFirst seenLast seenDNS
smartfutures.org 2 2025-10-16 2026-09-16 ok
prod.pit1.smartfutures.org 14 2026-04-23 2026-09-11 nodata
*.prod.pit1.smartfutures.org 14 2026-04-23 2026-09-11 —
staging.pit1.smartfutures.org 7 2026-04-23 2026-09-11 nodata
*.staging.pit1.smartfutures.org 7 2026-04-23 2026-09-11 —
a.smartfutures.org 1 2025-10-12 2025-10-12 nodata
static.smartfutures.org 1 2026-01-12 2026-01-12 ok
videostreaming.smartfutures.org 2 2025-10-02 2026-09-01 ok
blog.smartfutures.org 2 2025-10-16 2026-09-16 ok
auth.smartfutures.org 14 2026-05-13 2026-09-11 ok
*.auth.smartfutures.org 14 2026-05-13 2026-09-11 —
api.smartfutures.org 14 2026-04-23 2026-09-11 ok
*.api.smartfutures.org 14 2026-04-23 2026-09-11 —
link.smartfutures.org 5 2026-05-04 2026-10-03 ok
external.smartfutures.org 7 2026-05-06 2026-09-11 nodata
*.external.smartfutures.org 7 2026-05-06 2026-09-11 —
portal.smartfutures.org 1 2026-01-06 2026-01-06 ok
staging.portal.smartfutures.org 1 2026-01-06 2026-01-06 ok
admin.portal.smartfutures.org 2 2025-06-24 2026-05-25 ok
npm.smartfutures.org 1 2025-12-08 2025-12-08 ok
ep.smartfutures.org 5 2026-04-11 2026-09-21 ok
timetracking.ep.smartfutures.org 2 2026-03-31 2026-08-31 ok
n8n.ep.smartfutures.org 5 2026-05-15 2026-09-13 ok
sftp.smartfutures.org 7 2026-06-18 2026-09-22 nodata
*.sftp.smartfutures.org 7 2026-06-18 2026-09-22 —
wp.smartfutures.org 11 2026-04-30 2026-09-30 ok
assets.smartfutures.org 1 2025-10-12 2025-10-12 nxdomain
staging.assets.smartfutures.org 1 2025-10-12 2025-10-12 nodata
support.smartfutures.org 10 2026-05-30 2026-09-27 ok
www.smartfutures.org 2 2025-10-16 2026-09-16 ok
sentry.smartfutures.org 24 2026-05-04 2026-09-22 ok
*.sentry.smartfutures.org 24 2026-05-04 2026-09-22 —

Programmatic access, with DNS A records: API GET /v1/hosts/smartfutures.org (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/smartfutures.org.