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.

19 hosts · 356 ms

HostCertsFirst seenLast seenDNS
consumer.org 7 2025-08-12 2026-08-13 ok
*.consumer.org 3 2025-08-12 2026-08-13 —
ynk-ucuc1.consumer.org 1 2025-11-28 2025-11-28 nxdomain
www.ynk-ucuc1.consumer.org 1 2025-11-28 2025-11-28 nxdomain
ynkvcsa70server1.consumer.org 1 2025-12-31 2025-12-31 nxdomain
ynkvcsa80server1.consumer.org 1 2025-12-31 2025-12-31 nxdomain
ynkvcsa90server1.consumer.org 1 2025-12-31 2025-12-31 nxdomain
ynk-imps1.consumer.org 1 2025-11-21 2025-11-21 nxdomain
sav-imps1.consumer.org 1 2025-11-21 2025-11-21 nxdomain
service.jira.consumer.org 2 2025-09-24 2026-08-13 ok
paw01awslxvd.consumer.org 3 2026-06-04 2026-08-13 nxdomain
nbemail.consumer.org 10 2026-04-20 2026-08-16 ok
go.consumer.org 5 2026-05-19 2026-09-16 ok
paw01awslxvp.consumer.org 3 2026-06-04 2026-08-13 nxdomain
rpkg1awslxvp.consumer.org 1 2026-04-27 2026-04-27 nxdomain
rcon1awslxvp.consumer.org 1 2026-04-27 2026-04-27 nxdomain
rpro1awslxvp.consumer.org 1 2026-04-27 2026-04-27 nxdomain
sav-imps1-ms.consumer.org 1 2025-11-21 2025-11-21 nxdomain
actnow.consumer.org 8 2026-05-03 2026-08-29 ok

Programmatic access, with DNS A records: API GET /v1/hosts/consumer.org (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/consumer.org.