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.

11 hosts · 328 ms

HostCertsFirst seenLast seenDNS
babylisspro.com 4 2025-09-11 2026-09-18 ok
stage.babylisspro.com 20 2026-05-11 2026-09-07 ok
kifvf.babylisspro.com 9 2026-05-31 2026-09-26 ok
reg.babylisspro.com 7 2026-04-27 2026-08-13 ok
i.babylisspro.com 3 2026-05-10 2026-08-24 ok
customerportal.babylisspro.com 1 2026-01-05 2026-01-05 ok
partner.babylisspro.com 5 2026-05-05 2026-08-16 ok
es.babylisspro.com 9 2025-09-11 2026-09-12 ok
assets.babylisspro.com 3 2026-04-10 2026-09-10 ok
dev.babylisspro.com 14 2026-05-10 2026-09-05 ok
www.babylisspro.com 4 2025-09-11 2026-09-18 ok

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