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.

6 hosts · 282 ms

HostCertsFirst seenLast seenDNS
app.moneygram.com 1 2025-09-18 2025-09-18 nodata
ca.app.moneygram.com 4 2026-04-20 2026-08-18 ok
e.app.moneygram.com 4 2026-04-20 2026-08-18 ok
preferences.app.moneygram.com 8 2026-05-01 2026-08-28 ok
images.app.moneygram.com 3 2025-10-17 2026-09-17 ok
view.app.moneygram.com 3 2025-10-17 2026-09-17 ok

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