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.

22 hosts · 293 ms

HostCertsFirst seenLast seen
audible.com.br 7 2025-09-24 2026-08-20
arya-pacman-sandbox-na-1.audible.com.br 4 2025-08-23 2026-07-24
ajuda.audible.com.br 2 2025-08-26 2025-12-09
sansa.audible.com.br 4 2025-08-26 2026-07-27
ace.audible.com.br 4 2025-09-24 2026-10-04
feature.audible.com.br 3 2025-10-30 2026-08-23
api.audible.com.br 3 2025-09-24 2026-07-07
origin-api.audible.com.br 3 2025-09-24 2026-07-07
tracking.mail.audible.com.br 4 2025-10-21 2026-08-11
arya-pacman.audible.com.br 4 2025-08-21 2026-08-06
r.audible.com.br 5 2025-08-25 2026-09-21
apx-security-br.audible.com.br 2 2026-03-17 2026-08-02
cds.audible.com.br 3 2025-09-24 2026-07-06
origin-cds.audible.com.br 3 2025-09-24 2026-07-06
dsonkes.audible.com.br 2 2026-03-01 2026-07-17
sonos.audible.com.br 3 2025-09-24 2026-07-12
origin-sonos.audible.com.br 3 2025-09-24 2026-07-12
tracking.t.audible.com.br 3 2026-03-10 2026-08-11
arya-next.audible.com.br 4 2025-08-01 2026-08-19
www.audible.com.br 4 2025-09-24 2026-08-02
origin-www.audible.com.br 4 2025-09-24 2026-08-02
apx-security.audible.com.br 1 2026-03-16 2026-03-16

Programmatic access: API GET /v1/hosts/audible.com.br (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/audible.com.br.