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.

30 hosts · 355 ms

HostCertsFirst seenLast seenDNS
weaveos.com 11 2026-04-13 2026-09-08 ok
*.weaveos.com 8 2026-04-13 2026-09-07 —
staging-01.weaveos.com 2 2026-09-12 2026-09-15 ok
e.staging-01.weaveos.com 2 2026-09-12 2026-09-15 ok
clickhouse-etl.staging-01.weaveos.com 3 2026-09-12 2026-09-15 ok
apm.staging-01.weaveos.com 2 2026-09-12 2026-09-15 ok
admin.staging-01.weaveos.com 3 2026-09-12 2026-09-15 ok
router.staging-01.weaveos.com 2 2026-09-12 2026-09-15 ok
resources.staging-01.weaveos.com 1 2026-09-09 2026-09-09 ok
updates.staging-01.weaveos.com 3 2026-09-12 2026-09-15 ok
clickhouse-query.staging-01.weaveos.com 2 2026-09-12 2026-09-15 ok
data.weaveos.com 2 2026-07-18 2026-07-18 ok
go.weaveos.com 1 2026-09-12 2026-09-12 ok
app.weaveos.com 3 2026-09-14 2026-09-14 ok
e.app.weaveos.com 2 2026-09-14 2026-09-14 ok
clickhouse-etl.app.weaveos.com 1 2026-09-14 2026-09-14 ok
apm.app.weaveos.com 2 2026-09-14 2026-09-14 ok
admin.app.weaveos.com 2 2026-09-14 2026-09-14 ok
clickhouse-query.app.weaveos.com 2 2026-09-14 2026-09-14 ok
router.weaveos.com 1 2026-09-14 2026-09-14 ok
resources.weaveos.com 1 2026-09-09 2026-09-09 ok
updates.weaveos.com 2 2026-09-14 2026-09-14 ok
links.updates.weaveos.com 1 2026-09-19 2026-09-19 ok
links.weaveos.com 1 2026-09-19 2026-09-19 ok
status.weaveos.com 1 2026-09-12 2026-09-12 ok
trust.weaveos.com 6 2026-07-21 2026-09-18 ok
www.weaveos.com 3 2026-07-17 2026-09-08 ok
pay.weaveos.com 3 2026-09-19 2026-09-19 ok
deploy.weaveos.com 1 2026-09-04 2026-09-04 ok
registry.weaveos.com 1 2026-09-04 2026-09-04 ok

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