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 · 182 ms

HostCertsFirst seenLast seen
thegameawards.com 17 2026-06-13 2026-10-09
*.thegameawards.com 16 2026-06-13 2026-10-09
origin-stage.thegameawards.com 3 2026-08-04 2026-10-06
cms-stage.thegameawards.com 2 2026-08-04 2026-10-06
preview-cms-stage.thegameawards.com 1 2026-10-07 2026-10-07
assets-stage.thegameawards.com 1 2026-10-06 2026-10-06
preview-stage.thegameawards.com 1 2026-10-07 2026-10-07
origin.thegameawards.com 1 2026-10-06 2026-10-06
cms.thegameawards.com 1 2026-10-06 2026-10-06
assets.thegameawards.com 1 2026-10-06 2026-10-06
preview.thegameawards.com 1 2026-10-07 2026-10-07

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