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.

14 hosts · 320 ms

HostCertsFirst seenLast seenDNS
wealthbox.com 12 2026-05-05 2026-09-01 ok
store.wealthbox.com 5 2026-04-23 2026-09-28 ok
www.store.wealthbox.com 5 2026-04-23 2026-09-28 ok
click.wealthbox.com 10 2026-04-28 2026-09-25 ok
crm.wealthbox.com 5 2026-05-21 2026-09-18 ok
helium.wealthbox.com 5 2026-05-11 2026-09-09 ok
go.wealthbox.com 10 2026-04-28 2026-09-25 ok
help.wealthbox.com 6 2025-12-04 2026-09-09 ok
updates.wealthbox.com 9 2026-04-13 2026-09-18 ok
assets.wealthbox.com 10 2026-05-05 2026-10-02 ok
status.wealthbox.com 2 2025-07-14 2026-06-13 ok
trust.wealthbox.com 11 2026-06-01 2026-09-28 ok
dev.wealthbox.com 1 2026-01-19 2026-01-19 ok
www.wealthbox.com 16 2026-05-05 2026-08-31 ok

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