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.

16 hosts · 201 ms

HostCertsFirst seenLast seen
capitaliq.spglobal.com 1 2026-06-16 2026-06-16
ca.capitaliq.spglobal.com 9 2025-08-05 2026-09-09
www-global.capitaliq.spglobal.com 1 2026-06-16 2026-06-16
rt-api-platform.capitaliq.spglobal.com 1 2025-11-27 2025-11-27
www-origin.capitaliq.spglobal.com 1 2026-06-16 2026-06-16
www-1-ao.capitaliq.spglobal.com 3 2025-08-05 2026-07-21
www-2-ao.capitaliq.spglobal.com 3 2025-08-05 2026-07-21
www-ao.capitaliq.spglobal.com 7 2025-08-05 2026-09-09
www-1-as.capitaliq.spglobal.com 3 2025-08-05 2026-07-21
www-2-as.capitaliq.spglobal.com 3 2025-08-05 2026-07-21
www-as.capitaliq.spglobal.com 7 2025-08-05 2026-09-09
apps.capitaliq.spglobal.com 6 2025-11-17 2026-09-09
www-1-av.capitaliq.spglobal.com 3 2025-08-05 2026-07-21
www-2-av.capitaliq.spglobal.com 3 2025-08-05 2026-07-21
www-av.capitaliq.spglobal.com 7 2025-08-05 2026-09-09
www.capitaliq.spglobal.com 9 2025-08-05 2026-09-09

Programmatic access: API GET /v1/hosts/capitaliq.spglobal.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/capitaliq.spglobal.com.