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 · 328 ms

HostCertsFirst seenLast seenDNS
hostalia.com 1 2025-12-22 2025-12-22 ok
*.hostalia.com 1 2025-12-22 2025-12-22 —
ayuda.hostalia.com 1 2026-01-21 2026-01-21 ok
hs-1941.dedicated.hostalia.com 5 2026-04-26 2026-08-24 ok
hs-1771.dedicated.hostalia.com 5 2026-05-16 2026-09-13 ok
hs-1883.dedicated.hostalia.com 5 2026-05-29 2026-09-26 ok
hs-1484.dedicated.hostalia.com 2 2025-09-01 2025-12-04 ok
hs-1784.dedicated.hostalia.com 4 2026-04-19 2026-08-17 ok
hs-1894.dedicated.hostalia.com 5 2026-04-23 2026-08-21 ok
hs-1837.dedicated.hostalia.com 5 2026-05-26 2026-09-23 ok
panel.hostalia.com 3 2025-09-15 2026-09-15 ok
shop.hostalia.com 3 2026-04-07 2026-10-01 ok
www.shop.hostalia.com 3 2026-04-07 2026-10-01 nxdomain

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