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.

75 hosts · 408 ms

HostCertsFirst seenLast seenDNS
numer.ai 27 2026-04-22 2026-08-18 ok
*.numer.ai 14 2026-04-22 2026-08-18 —
captive.numer.ai 1 2026-05-14 2026-05-14 nodata
blog.numer.ai 7 2026-06-24 2026-10-01 ok
email.ghost.blog.numer.ai 5 2026-05-07 2026-09-04 ok
bimi-svg.numer.ai 2 2026-06-08 2026-06-08 nxdomain
*.bimi-svg.numer.ai 2 2026-06-08 2026-06-08 —
*.prod.hf.internal.numer.ai 2 2025-08-26 2026-07-27 —
research-dashboard-2.prod.hf.internal.numer.ai 1 2025-11-20 2025-11-20 nxdomain
airflow-trading-2.prod.hf.internal.numer.ai 1 2026-02-12 2026-02-12 nxdomain
airflow-hf-v2.prod.hf.internal.numer.ai 1 2025-09-28 2025-09-28 nxdomain
airflow-data.prod.hf.internal.numer.ai 1 2026-02-11 2026-02-11 nxdomain
research-dashboard.prod.hf.internal.numer.ai 1 2025-11-21 2025-11-21 nxdomain
airflow-trading.prod.hf.internal.numer.ai 3 2025-08-17 2026-08-06 nxdomain
data-portal.prod.hf.internal.numer.ai 1 2025-12-30 2025-12-30 nxdomain
mlflow.prod.hf.internal.numer.ai 2 2025-10-03 2026-05-08 nxdomain
*.staging.hf.internal.numer.ai 3 2025-08-26 2026-08-07 —
eaf3-numo-inf-17-e144366171.staging.hf.internal.numer.ai 1 2026-08-07 2026-08-07 nxdomain
airflow-trading-2.staging.hf.internal.numer.ai 1 2026-02-12 2026-02-12 nxdomain
airflow-hf-v2.staging.hf.internal.numer.ai 1 2025-10-30 2025-10-30 nxdomain
ephemeral-airflow-hf-v2.staging.hf.internal.numer.ai 1 2025-10-21 2025-10-21 nxdomain
eaf3-numo-inf-17-a6a13cf8b6.staging.hf.internal.numer.ai 1 2026-08-07 2026-08-07 nxdomain
eaf3-numo-inf-17-26fea971c9.staging.hf.internal.numer.ai 1 2026-08-06 2026-08-06 nxdomain
airflow-data.staging.hf.internal.numer.ai 1 2026-01-23 2026-01-23 nxdomain
research-dashboard.staging.hf.internal.numer.ai 2 2025-11-20 2025-11-21 nxdomain
airflow-trading.staging.hf.internal.numer.ai 3 2025-06-24 2026-08-06 nxdomain
data-chainlock.staging.hf.internal.numer.ai 1 2026-07-20 2026-07-20 nxdomain
data-portal.staging.hf.internal.numer.ai 1 2025-12-30 2025-12-30 nxdomain
mlflow.staging.hf.internal.numer.ai 2 2025-10-03 2026-05-08 nxdomain
grafana.monitoring.internal.numer.ai 2 2026-04-21 2026-09-21 nxdomain
wifi.monitoring.internal.numer.ai 1 2026-05-12 2026-05-12 nxdomain
guest-wifi.monitoring.internal.numer.ai 1 2026-05-13 2026-05-13 nxdomain
loki.monitoring.internal.numer.ai 1 2026-01-21 2026-01-21 nxdomain
hedgefund.loki.monitoring.internal.numer.ai 1 2026-01-20 2026-01-20 nxdomain
tournament.loki.monitoring.internal.numer.ai 1 2026-01-20 2026-01-20 nxdomain
tempo.monitoring.internal.numer.ai 1 2026-01-21 2026-01-21 nxdomain
mimir.monitoring.internal.numer.ai 1 2026-01-28 2026-01-28 nxdomain
chat-api-backend.hosted-agents.internal.numer.ai 1 2026-06-23 2026-06-23 ok
chat-api-backend.staging.hosted-agents.internal.numer.ai 1 2026-06-18 2026-06-18 ok
chat-api.staging.hosted-agents.internal.numer.ai 1 2026-06-18 2026-06-18 nxdomain
trading-chat-api.staging.hosted-agents.internal.numer.ai 1 2026-06-18 2026-06-18 nxdomain
portal.staging.hosted-agents.internal.numer.ai 3 2026-05-06 2026-07-07 nxdomain
chat-api.hosted-agents.internal.numer.ai 1 2026-06-23 2026-06-23 nxdomain
portal.hosted-agents.internal.numer.ai 2 2025-12-08 2026-07-07 nxdomain
agents.hosted-agents.internal.numer.ai 1 2026-01-14 2026-01-14 nxdomain
airflow-2.prod.tournament.internal.numer.ai 1 2026-03-11 2026-03-11 nxdomain
marketing.prod.tournament.internal.numer.ai 1 2026-07-23 2026-07-23 nxdomain
api-nmr-xp.prod.tournament.internal.numer.ai 2 2026-03-12 2026-07-28 nxdomain
new-user-agent.prod.tournament.internal.numer.ai 1 2026-05-28 2026-05-28 nxdomain
api-tournament.prod.tournament.internal.numer.ai 3 2025-09-25 2026-07-30 nxdomain
airflow.prod.tournament.internal.numer.ai 2 2026-04-07 2026-09-07 nxdomain
airflow-2.staging.tournament.internal.numer.ai 2 2026-02-27 2026-04-07 nxdomain
new-agent-embedding-service.staging.tournament.internal.numer.ai 1 2026-05-25 2026-05-25 nxdomain
marketing.staging.tournament.internal.numer.ai 3 2026-02-20 2026-07-23 nxdomain
numerai.staging.tournament.internal.numer.ai 4 2025-07-01 2026-02-13 nxdomain
crypto.staging.tournament.internal.numer.ai 4 2026-02-13 2026-02-13 nxdomain
api-nmr-xp.staging.tournament.internal.numer.ai 2 2026-02-28 2026-07-31 nxdomain
numerai-ecs.staging.tournament.internal.numer.ai 1 2026-02-12 2026-02-12 nxdomain
crypto-ecs.staging.tournament.internal.numer.ai 1 2026-02-12 2026-02-12 nxdomain
signals-ecs.staging.tournament.internal.numer.ai 1 2026-02-12 2026-02-12 nxdomain
docs.staging.tournament.internal.numer.ai 1 2026-07-14 2026-07-14 nxdomain
signals.staging.tournament.internal.numer.ai 4 2026-02-13 2026-02-13 nxdomain
new-user-agent.staging.tournament.internal.numer.ai 1 2026-05-25 2026-05-25 nxdomain
api-tournament.staging.tournament.internal.numer.ai 6 2025-10-21 2026-07-27 nxdomain
airflow.staging.tournament.internal.numer.ai 3 2026-04-07 2026-09-07 nxdomain
numerai.tournament.internal.numer.ai 1 2026-02-13 2026-02-13 ok
crypto.tournament.internal.numer.ai 1 2026-02-13 2026-02-13 ok
docs.tournament.internal.numer.ai 1 2026-07-14 2026-07-14 ok
signals.tournament.internal.numer.ai 1 2026-02-13 2026-02-13 ok
bimi-pem.numer.ai 5 2026-06-08 2026-06-16 nxdomain
*.bimi-pem.numer.ai 5 2026-06-08 2026-06-16 —
forum.numer.ai 5 2026-05-08 2026-09-05 ok
docs.numer.ai 4 2026-06-02 2026-06-02 ok
jp.docs.numer.ai 12 2026-06-03 2026-09-30 ok
mta-sts.numer.ai 6 2026-04-22 2026-08-18 ok

Programmatic access, with DNS A records: API GET /v1/hosts/numer.ai (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/numer.ai.