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.

42 hosts · 295 ms

HostCertsFirst seenLast seenDNS
openbank.com 3 2026-01-31 2026-08-18 ok
*.openbank.com 4 2025-07-25 2026-09-10 —
*.qa.openbank.com 4 2025-10-21 2026-09-27 —
*.prod.mb.openbank.com 2 2025-08-27 2026-07-28 —
*.stg.mb.openbank.com 2 2025-08-27 2026-07-28 —
*.ocu.mb.openbank.com 2 2025-08-27 2026-07-28 —
*.dev.mb.openbank.com 2 2025-08-27 2026-07-28 —
brand.openbank.com 1 2025-11-10 2025-11-10 ok
*.prod.openbank.com 5 2025-07-25 2026-08-18 —
*.stg.openbank.com 4 2025-10-22 2026-09-27 —
api.openbank.com 2 2026-03-23 2026-08-23 nxdomain
teal.openbank.com 2 2026-01-10 2026-07-21 ok
m.email.openbank.com 2 2026-03-12 2026-08-12 ok
res.email.openbank.com 2 2026-03-12 2026-08-12 ok
t.email.openbank.com 2 2026-03-12 2026-08-12 ok
pagofacil.openbank.com 3 2026-05-31 2026-05-31 ok
form.openbank.com 2 2025-08-27 2026-07-28 ok
bcdn.openbank.com 1 2026-05-18 2026-05-18 ok
even.openbank.com 2 2026-01-10 2026-01-10 ok
data.notification.openbank.com 2 2026-04-22 2026-04-22 ok
cdn.notification.openbank.com 4 2026-04-22 2026-09-22 ok
m1.info.openbank.com 6 2026-03-12 2026-07-13 ok
res1.info.openbank.com 6 2026-03-12 2026-07-13 ok
t1.info.openbank.com 6 2026-03-12 2026-07-13 ok
service-now-to-sap.openbank.com 1 2025-12-03 2025-12-03 nxdomain
www.service-now-to-sap.openbank.com 1 2025-12-03 2025-12-03 nxdomain
wup.openbank.com 1 2026-05-18 2026-05-18 ok
tranxfer.openbank.com 1 2026-01-27 2026-01-27 ok
www.tranxfer.openbank.com 1 2026-01-27 2026-01-27 nxdomain
autodiscover.openbank.com 3 2025-10-06 2026-09-28 nxdomain
data.updates.openbank.com 2 2026-04-22 2026-04-22 ok
cdn.updates.openbank.com 5 2026-04-21 2026-09-22 ok
logs.openbank.com 1 2026-05-18 2026-05-18 ok
f.news.openbank.com 1 2026-01-15 2026-01-15 ok
m.news.openbank.com 10 2026-01-13 2026-07-13 ok
res.news.openbank.com 10 2026-01-13 2026-07-13 ok
t.news.openbank.com 10 2026-01-13 2026-07-13 ok
target.openbank.com 4 2025-08-28 2026-08-30 ok
autodiscover.servext.openbank.com 3 2025-10-06 2026-09-28 nxdomain
*.ocu.openbank.com 2 2025-06-29 2026-05-30 —
*.dev.openbank.com 3 2025-10-22 2026-09-21 —
www.openbank.com 1 2026-01-31 2026-01-31 ok

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