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.

12 hosts · 260 ms

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HostCertsFirst seenLast seen
abovelending.com 20 2025-09-03 2026-09-29
*.abovelending.com 20 2025-09-03 2026-09-29
stage.abovelending.com 14 2026-04-25 2026-08-21
*.stage.abovelending.com 14 2026-04-25 2026-08-21
staging.abovelending.com 15 2025-06-23 2026-10-12
*.staging.abovelending.com 15 2025-06-23 2026-10-12
vpn.abovelending.com 5 2025-07-26 2026-08-09
www.vpn.abovelending.com 5 2025-07-26 2026-08-09
go.abovelending.com 5 2026-05-01 2026-09-16
links.abovelending.com 6 2026-06-07 2026-10-07
sandbox.abovelending.com 10 2026-04-06 2026-09-06
*.sandbox.abovelending.com 10 2026-04-06 2026-09-06

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