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.

13 hosts · 373 ms

HostCertsFirst seenLast seenDNS
lgbs.com 29 2025-12-29 2026-08-14 ok
*.lgbs.com 26 2025-12-29 2026-06-11 —
itgsbc.lgbs.com 4 2026-02-25 2026-08-25 ok
aussbc.lgbs.com 4 2026-02-25 2026-08-25 ok
O365hybrid.lgbs.com 1 2026-06-01 2026-06-01 —
mail.lgbs.com 1 2026-06-01 2026-06-01 ok
webmail.lgbs.com 1 2026-06-01 2026-06-01 ok
i66.toll.lgbs.com 5 2026-04-21 2026-08-20 ok
web.toll.lgbs.com 3 2026-06-16 2026-08-30 ok
n.toll.lgbs.com 5 2026-04-27 2026-08-25 ok
autodiscover.lgbs.com 1 2026-06-01 2026-06-01 ok
maps.lgbs.com 5 2026-05-06 2026-09-03 ok
www.lgbs.com 3 2026-05-23 2026-08-14 ok

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