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.

9 hosts · 182 ms

HostCertsFirst seenLast seen
roams.es 7 2025-11-12 2026-09-03
*.roams.es 7 2025-11-12 2026-09-03
voice.roams.es 4 2026-05-13 2026-07-11
cp.roams.es 3 2026-06-30 2026-09-21
callcenter.roams.es 6 2025-11-09 2026-10-11
*.callcenter.roams.es 6 2025-11-09 2026-10-11
nexusos.roams.es 2 2026-08-19 2026-08-19
pre.nexusos.roams.es 2 2026-08-18 2026-08-18
bot.roams.es 3 2026-07-14 2026-09-12

Programmatic access: API GET /v1/hosts/roams.es (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/roams.es.