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.

34 hosts · 327 ms

HostCertsFirst seenLast seenDNS
finseta.com 4 2026-02-04 2026-09-27 ok
*.finseta.com 1 2026-02-04 2026-02-04 —
lp.finseta.com 14 2026-05-25 2026-09-20 ok
help.finseta.com 6 2026-05-24 2026-09-20 ok
app.finseta.com 20 2025-06-16 2026-09-22 nodata
*.app.finseta.com 22 2025-06-16 2026-09-22 —
rm-alba.app.finseta.com 3 2025-07-17 2026-06-17 ok
*.rm-alba.app.finseta.com 3 2025-07-17 2026-06-17 —
finseta.app.finseta.com 3 2025-07-21 2026-06-21 nxdomain
*.finseta.app.finseta.com 3 2025-07-21 2026-06-21 —
stable.app.finseta.com 3 2025-07-17 2026-06-17 ok
*.stable.app.finseta.com 3 2025-07-17 2026-06-17 —
rematch.app.finseta.com 3 2025-07-17 2026-06-17 ok
*.rematch.app.finseta.com 3 2025-07-17 2026-06-17 —
bedi.app.finseta.com 3 2025-07-17 2026-06-17 ok
*.bedi.app.finseta.com 3 2025-07-17 2026-06-17 —
fink.app.finseta.com 3 2025-07-17 2026-06-17 ok
*.fink.app.finseta.com 3 2025-07-17 2026-06-17 —
vpn.app.finseta.com 1 2025-12-10 2025-12-10 nxdomain
demo.app.finseta.com 4 2025-07-15 2026-06-17 ok
*.demo.app.finseta.com 4 2025-07-15 2026-06-17 —
rm-keyper.app.finseta.com 3 2025-07-17 2026-06-17 ok
*.rm-keyper.app.finseta.com 3 2025-07-17 2026-06-17 —
ifs.app.finseta.com 2 2025-07-17 2026-06-17 ok
*.ifs.app.finseta.com 2 2025-07-17 2026-06-17 —
davos.app.finseta.com 3 2025-07-17 2026-06-17 ok
*.davos.app.finseta.com 3 2025-07-17 2026-06-17 —
realtrust.app.finseta.com 3 2025-07-17 2026-06-17 ok
*.realtrust.app.finseta.com 3 2025-07-17 2026-06-17 —
investors.finseta.com 8 2026-05-16 2026-09-12 ok
business.finseta.com 3 2025-10-26 2026-09-26 ok
mta-sts.finseta.com 2 2026-05-31 2026-08-10 ok
status.finseta.com 5 2026-05-08 2026-09-04 ok
www.finseta.com 3 2026-05-26 2026-09-27 ok

Programmatic access, with DNS A records: API GET /v1/hosts/finseta.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/finseta.com.