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.

10 hosts · 330 ms

HostCertsFirst seenLast seenDNS
g2esports.com 26 2025-11-29 2026-10-03 ok
*.g2esports.com 14 2025-11-29 2026-09-28 —
na.g2esports.com 16 2026-05-22 2026-10-02 ok
performancelab.g2esports.com 7 2026-06-04 2026-10-02 ok
api-prod.g2esports.com 1 2025-12-31 2025-12-31 nxdomain
api-staging.g2esports.com 1 2026-01-10 2026-01-10 nxdomain
image.email.g2esports.com 2 2026-03-23 2026-09-24 ok
go.g2esports.com 5 2026-05-01 2026-08-27 ok
shop.g2esports.com 12 2026-04-16 2026-08-13 ok
www.g2esports.com 20 2026-05-23 2026-09-30 ok

Programmatic access, with DNS A records: API GET /v1/hosts/g2esports.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/g2esports.com.