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.

22 hosts · 295 ms

HostCertsFirst seenLast seenDNS
segurosrivadavia.com 17 2026-03-06 2026-09-17 ok
*.segurosrivadavia.com 15 2026-07-13 2026-09-17 —
bi.segurosrivadavia.com 2 2026-03-06 2026-06-01 ok
api.segurosrivadavia.com 2 2026-03-06 2026-06-01 ok
mutual.segurosrivadavia.com 2 2026-03-06 2026-06-01 ok
autogestion.segurosrivadavia.com 2 2026-03-06 2026-06-01 ok
sistemas.segurosrivadavia.com 2 2026-03-06 2026-06-01 ok
www.sistemas.segurosrivadavia.com 2 2026-03-06 2026-06-01 ok
licitaciones.segurosrivadavia.com 2 2026-03-06 2026-06-01 nxdomain
recuperadores.segurosrivadavia.com 2 2026-03-06 2026-06-01 nxdomain
proveedores.segurosrivadavia.com 2 2026-03-06 2026-06-01 nxdomain
inspectores.segurosrivadavia.com 2 2026-03-06 2026-06-01 nxdomain
croquis.segurosrivadavia.com 2 2026-03-06 2026-06-01 ok
links.segurosrivadavia.com 2 2026-03-06 2026-06-01 ok
ems.segurosrivadavia.com 2 2026-03-06 2026-06-01 ok
abogados.segurosrivadavia.com 2 2026-03-06 2026-06-01 nxdomain
pagos.segurosrivadavia.com 2 2026-03-06 2026-06-01 ok
terceros.segurosrivadavia.com 2 2026-03-06 2026-06-01 ok
concursos.segurosrivadavia.com 6 2026-05-29 2026-09-26 ok
apps.segurosrivadavia.com 3 2025-08-12 2026-08-13 nodata
*.apps.segurosrivadavia.com 3 2025-08-12 2026-08-13 —
www.segurosrivadavia.com 2 2026-03-06 2026-06-01 ok

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