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.

9 hosts · 226 ms

Download CSV
HostCertsFirst seenLast seen
scspa.com 38 2026-01-12 2026-10-15
*.scspa.com 57 2026-01-12 2026-10-15
ww1.scspa.com 5 2026-06-10 2026-10-06
goportqa.scspa.com 20 2026-02-07 2026-10-15
help.scspa.com 13 2026-06-03 2026-09-29
shop.scspa.com 10 2026-04-28 2026-08-25
scportscstuat.scspa.com 3 2026-10-08 2026-10-15
scportscst.scspa.com 11 2026-08-27 2026-10-15
filex.scspa.com 20 2026-02-07 2026-10-15

Programmatic access: API GET /v1/hosts/scspa.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/scspa.com.