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.

46 hosts · 360 ms

HostCertsFirst seenLast seenDNS
buburuza.com 27 2026-05-04 2026-09-18 ok
*.buburuza.com 11 2026-05-04 2026-09-18 —
v2.buburuza.com 1 2025-09-15 2025-09-15 nxdomain
admin-stage-v2.buburuza.com 1 2025-10-31 2025-10-31 nxdomain
*.admin-stage-v2.buburuza.com 1 2025-10-31 2025-10-31 —
dev-api-v2.buburuza.com 1 2025-11-07 2025-11-07 nxdomain
admin-v2.buburuza.com 2 2025-08-08 2025-10-31 nxdomain
*.admin-v2.buburuza.com 2 2025-08-08 2025-10-31 —
admin-dev-v2.buburuza.com 1 2025-09-08 2025-09-08 nxdomain
*.admin-dev-v2.buburuza.com 1 2025-09-08 2025-09-08 —
otc.buburuza.com 3 2025-07-18 2025-07-18 nxdomain
*.otc.buburuza.com 3 2025-07-18 2025-07-18 —
argocd.buburuza.com 1 2025-10-16 2025-10-16 nxdomain
id.buburuza.com 4 2026-07-21 2026-09-21 ok
voice.buburuza.com 1 2025-07-08 2025-07-08 nxdomain
*.voice.buburuza.com 1 2025-07-08 2025-07-08 —
bimi.buburuza.com 6 2026-06-29 2026-08-27 ok
*.bimi.buburuza.com 6 2026-06-29 2026-08-27 —
email.buburuza.com 2 2026-07-15 2026-09-06 ok
admin.buburuza.com 1 2025-07-01 2025-07-01 ok
stage-admin.buburuza.com 5 2025-07-18 2025-07-18 nxdomain
*.stage-admin.buburuza.com 5 2025-07-18 2025-07-18 —
*.admin.buburuza.com 1 2025-07-01 2025-07-01 —
demo.buburuza.com 4 2025-08-07 2025-08-07 ok
*.demo.buburuza.com 4 2025-08-07 2025-08-07 —
help.buburuza.com 1 2026-09-14 2026-09-14 ok
app.buburuza.com 2 2025-07-01 2026-08-31 ok
stage-app.buburuza.com 3 2025-07-18 2025-07-18 nxdomain
*.stage-app.buburuza.com 3 2025-07-18 2025-07-18 —
*.app.buburuza.com 1 2025-07-01 2025-07-01 —
auth.app.buburuza.com 4 2026-09-01 2026-09-01 ok
docs.buburuza.com 10 2026-05-03 2026-09-07 ok
chain-docs.buburuza.com 4 2026-05-03 2026-05-03 nxdomain
mta-sts.buburuza.com 2 2026-09-06 2026-09-06 ok
*.mta-sts.buburuza.com 2 2026-09-06 2026-09-06 —
rpc-mainnet.buburuza.com 1 2025-11-06 2025-11-06 nxdomain
monitor-mainnet.buburuza.com 1 2025-11-06 2025-11-06 nxdomain
rpc-testnet.buburuza.com 1 2025-10-17 2025-10-17 nxdomain
monitor-testnet.buburuza.com 1 2025-10-17 2025-10-17 nxdomain
stage-correspondent.buburuza.com 1 2025-07-18 2025-07-18 nxdomain
*.stage-correspondent.buburuza.com 1 2025-07-18 2025-07-18 —
support.buburuza.com 2 2026-04-26 2026-04-26 ok
invest.buburuza.com 1 2026-04-19 2026-04-19 nxdomain
*.invest.buburuza.com 1 2026-04-19 2026-04-19 —
www.buburuza.com 6 2026-05-04 2026-08-30 ok
sandbox.buburuza.com 1 2026-08-31 2026-08-31 —

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