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.

37 hosts · 374 ms

HostCertsFirst seenLast seenDNS
primevideo.com 2 2026-03-13 2026-07-29 ok
planb.gamma.primevideo.com 7 2025-10-09 2026-09-15 nodata
na.primevideo.com 2 2025-11-06 2026-06-20 ok
apx-security-na.primevideo.com 4 2025-08-24 2026-07-25 ok
r.na.primevideo.com 5 2025-08-25 2026-09-21 ok
alexa.primevideo.com 2 2026-05-13 2026-08-04 ok
fe.primevideo.com 2 2025-11-06 2026-08-15 ok
internal-campfire-fe.primevideo.com 2 2025-10-17 2026-05-27 nxdomain
atv-ps-fe.primevideo.com 10 2025-08-05 2026-09-29 ok
apx-security-fe.primevideo.com 2 2025-10-17 2026-08-03 ok
r.fe.primevideo.com 4 2026-01-20 2026-09-20 ok
internal.campfire.primevideo.com 3 2025-10-30 2026-07-07 nxdomain
watch.primevideo.com 6 2025-10-16 2026-08-23 nxdomain
api.primevideo.com 2 2025-11-11 2026-07-17 nxdomain
partnerapi.primevideo.com 2 2025-09-23 2026-08-24 ok
gamma.partnerapi.primevideo.com 2 2025-09-22 2026-08-23 ok
beta.partnerapi.primevideo.com 2 2025-09-25 2026-08-26 ok
alphathree.partnerapi.primevideo.com 1 2025-11-09 2025-11-09 nodata
alphaone.partnerapi.primevideo.com 2 2025-10-09 2026-09-09 nodata
alphadhimah.partnerapi.primevideo.com 2 2025-10-28 2026-09-28 nodata
alphajavroch.partnerapi.primevideo.com 1 2026-01-28 2026-01-28 nxdomain
sandbox.partnerapi.primevideo.com 2 2026-04-12 2026-09-12 ok
web-geo.primevideo.com 6 2025-11-06 2026-08-15 ok
app-geo.primevideo.com 6 2025-10-16 2026-08-23 ok
preflight-geo.primevideo.com 6 2025-10-16 2026-08-20 ok
app.primevideo.com 6 2025-10-16 2026-08-23 ok
apx-security-br.primevideo.com 4 2025-10-30 2026-07-19 ok
atv-ps.primevideo.com 8 2025-08-05 2026-09-29 ok
overpass.primevideo.com 2 2025-08-27 2026-07-28 ok
*.overpass.primevideo.com 2 2025-08-27 2026-07-28 —
preflight.primevideo.com 320 2025-08-26 2026-07-17 ok
eu.primevideo.com 2 2025-11-06 2026-08-04 ok
internal-campfire-eu.primevideo.com 2 2025-10-23 2026-05-31 nxdomain
atv-ps-eu.primevideo.com 11 2025-08-05 2026-09-29 ok
apx-security-eu.primevideo.com 2 2025-10-23 2026-08-20 ok
r.eu.primevideo.com 4 2026-01-20 2026-09-20 ok
www.primevideo.com 2 2025-11-11 2026-07-31 ok

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