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.

11 hosts · 169 ms

HostCertsFirst seenLast seen
capitaliqdev.spglobal.com 3 2025-11-11 2026-07-26
ca.capitaliqdev.spglobal.com 3 2025-11-11 2026-07-26
nbhub.capitaliqdev.spglobal.com 1 2025-10-07 2025-10-07
ca-cdn.capitaliqdev.spglobal.com 2 2026-03-10 2026-07-26
www-origin.capitaliqdev.spglobal.com 2 2026-03-10 2026-07-26
www-1-av.capitaliqdev.spglobal.com 3 2025-11-11 2026-07-26
www-2-av.capitaliqdev.spglobal.com 2 2026-03-10 2026-07-26
www-3-av.capitaliqdev.spglobal.com 2 2026-03-10 2026-07-26
prv-www-av.capitaliqdev.spglobal.com 2 2026-03-10 2026-07-26
www.capitaliqdev.spglobal.com 3 2025-11-11 2026-07-26
nbplay.capitaliqdev.spglobal.com 1 2025-10-07 2025-10-07

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