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.

100 hosts (first page) · 345 ms

HostCertsFirst seenLast seenDNS
scalable.capital 6 2025-11-30 2026-09-29 ok
*.scalable.capital 17 2025-10-01 2026-09-29 —
*.continuous-66.scalable.capital 1 2026-02-15 2026-02-15 —
ing-diba.scalable.capital 1 2025-11-30 2025-11-30 ok
prod-ing-diba.scalable.capital 2 2025-10-01 2026-08-31 ok
*.prod-ing-diba.scalable.capital 2 2025-10-01 2026-08-31 —
*.ing-diba.scalable.capital 1 2025-11-07 2025-11-07 —
dev1-bermuda.scalable.capital 1 2026-01-12 2026-01-12 ok
*.dev1-bermuda.scalable.capital 1 2026-01-12 2026-01-12 —
prod-bermuda.scalable.capital 2 2025-10-25 2026-09-24 nodata
*.prod-bermuda.scalable.capital 2 2025-10-25 2026-09-24 —
queue-service.prod-bermuda.scalable.capital 1 2025-07-21 2025-07-21 ok
www.queue-service.prod-bermuda.scalable.capital 1 2025-07-21 2025-07-21 nxdomain
transfer.prod-bermuda.scalable.capital 1 2025-12-22 2025-12-22 nxdomain
*.transfer.prod-bermuda.scalable.capital 3 2025-10-25 2026-09-24 —
uat-bermuda.scalable.capital 1 2025-12-23 2025-12-23 nodata
*.uat-bermuda.scalable.capital 1 2025-12-23 2025-12-23 —
queue-service.uat-bermuda.scalable.capital 1 2026-03-18 2026-03-18 ok
transfer.uat-bermuda.scalable.capital 1 2025-12-23 2025-12-23 nxdomain
*.transfer.uat-bermuda.scalable.capital 1 2025-12-23 2025-12-23 —
test-bermuda.scalable.capital 3 2025-10-25 2026-09-24 nodata
*.test-bermuda.scalable.capital 3 2025-10-25 2026-09-24 —
queue-service.test-bermuda.scalable.capital 1 2026-03-18 2026-03-18 ok
transfer.test-bermuda.scalable.capital 3 2025-09-21 2026-08-21 nxdomain
*.transfer.test-bermuda.scalable.capital 6 2025-09-21 2026-09-24 —
dev-bermuda.scalable.capital 1 2026-03-16 2026-03-16 nxdomain
*.dev-bermuda.scalable.capital 1 2026-03-16 2026-03-16 —
media.scalable.capital 7 2026-08-05 2026-10-04 ok
staging-v2-data.scalable.capital 2 2025-08-10 2026-07-11 nodata
*.staging-v2-data.scalable.capital 2 2025-08-10 2026-07-11 —
prod-data.scalable.capital 2 2026-04-12 2026-09-12 nodata
*.prod-data.scalable.capital 2 2026-04-12 2026-09-12 —
dev-data.scalable.capital 2 2026-04-11 2026-09-11 nodata
*.dev-data.scalable.capital 2 2026-04-11 2026-09-11 —
dev-cicd-gitlab.scalable.capital 3 2026-03-23 2026-08-23 nodata
*.dev-cicd-gitlab.scalable.capital 3 2026-03-23 2026-08-23 —
ai-gateway.dev-cicd-gitlab.scalable.capital 1 2026-05-22 2026-05-22 nxdomain
prod-gitlab.scalable.capital 1 2026-09-25 2026-09-25 nodata
*.prod-gitlab.scalable.capital 1 2026-09-25 2026-09-25 —
dev-gitlab.scalable.capital 1 2026-09-25 2026-09-25 nodata
*.dev-gitlab.scalable.capital 1 2026-09-25 2026-09-25 —
texthub.scalable.capital 2 2026-04-18 2026-09-18 ok
prod-b2c.scalable.capital 4 2026-04-15 2026-09-15 nodata
*.prod-b2c.scalable.capital 4 2026-04-15 2026-09-15 —
remote-sidebar.prod-b2c.scalable.capital 2 2026-08-06 2026-08-06 ok
pension-calculator.prod-b2c.scalable.capital 2 2026-01-26 2026-02-03 ok
tax-calculator.prod-b2c.scalable.capital 1 2026-01-22 2026-01-22 nxdomain
dev-b2c.scalable.capital 2 2026-06-15 2026-06-18 nodata
*.dev-b2c.scalable.capital 4 2026-06-15 2026-06-18 —
playground-amazon-connect-poc.scalable.capital 1 2026-01-09 2026-01-09 nodata
*.playground-amazon-connect-poc.scalable.capital 1 2026-01-09 2026-01-09 —
dev-ci-cd.scalable.capital 2 2025-08-12 2026-07-13 nodata
*.dev-ci-cd.scalable.capital 2 2025-08-12 2026-07-13 —
*.ci-cd.scalable.capital 4 2025-07-17 2026-07-12 —
*.prod-cicd.scalable.capital 2 2025-06-17 2026-05-18 —
*.dev-cicd.scalable.capital 3 2025-06-17 2026-05-18 —
shared.scalable.capital 31 2025-10-16 2026-09-26 nodata
*.shared.scalable.capital 31 2025-10-16 2026-09-26 —
prod-diamond.scalable.capital 1 2026-01-27 2026-01-27 nodata
*.prod-diamond.scalable.capital 1 2026-01-27 2026-01-27 —
dev-diamond.scalable.capital 1 2026-01-20 2026-01-20 nodata
*.dev-diamond.scalable.capital 1 2026-01-20 2026-01-20 —
feature-flags-prod.scalable.capital 1 2026-05-18 2026-05-18 nodata
*.feature-flags-prod.scalable.capital 1 2026-05-18 2026-05-18 —
internal-tools-prod.scalable.capital 1 2026-09-11 2026-09-11 nodata
*.internal-tools-prod.scalable.capital 1 2026-09-11 2026-09-11 —
be.scalable.capital 1 2026-02-01 2026-02-01 ok
de.scalable.capital 1 2025-11-30 2025-11-30 ok
*.dev-de.scalable.capital 7 2025-08-27 2026-09-25 —
fruehstart-rente.dev-de.scalable.capital 1 2026-04-02 2026-04-02 nxdomain
remote-sidebar.dev-de.scalable.capital 2 2026-06-24 2026-08-28 ok
static.remote-sidebar.dev-de.scalable.capital 2 2026-08-27 2026-08-27 nxdomain
pension-calculator.dev-de.scalable.capital 1 2026-02-02 2026-02-02 ok
early-pension-calculator.dev-de.scalable.capital 2 2026-04-08 2026-09-08 ok
credit-calculator.dev-de.scalable.capital 2 2026-04-08 2026-09-08 ok
kredit.dev-de.scalable.capital 1 2026-04-02 2026-04-02 nxdomain
*.de.scalable.capital 3 2025-10-06 2026-09-06 —
ie.scalable.capital 1 2026-02-01 2026-02-01 ok
secure.scalable.capital 10 2026-04-23 2026-08-20 ok
dev-secure.scalable.capital 10 2026-05-03 2026-08-30 ok
metabase.scalable.capital 1 2026-01-12 2026-01-12 ok
fruehstart-rente.scalable.capital 1 2026-04-02 2026-04-02 nxdomain
*.compute.scalable.capital 1 2026-02-05 2026-02-05 —
prod-diamond-seg.scalable.capital 2 2026-02-19 2026-07-22 nodata
*.prod-diamond-seg.scalable.capital 2 2026-02-19 2026-07-22 —
dev-diamond-seg.scalable.capital 2 2026-02-19 2026-07-22 nodata
*.dev-diamond-seg.scalable.capital 2 2026-02-19 2026-07-22 —
ing.scalable.capital 1 2025-11-30 2025-11-30 ok
dev1-ing.scalable.capital 2 2025-08-29 2026-07-30 ok
*.dev1-ing.scalable.capital 2 2025-08-29 2026-07-30 —
dev-ing.scalable.capital 2 2025-07-03 2026-01-07 nodata
*.dev-ing.scalable.capital 2 2025-07-03 2026-01-07 —
staging.scalable.capital 1 2026-01-06 2026-01-06 ok
*.staging.scalable.capital 1 2026-01-06 2026-01-06 —
prod-tracking.scalable.capital 2 2025-10-06 2026-09-06 nodata
*.prod-tracking.scalable.capital 2 2025-10-06 2026-09-06 —
dev-tracking.scalable.capital 3 2026-03-29 2026-08-29 nodata
*.dev-tracking.scalable.capital 3 2026-03-29 2026-08-29 —
prod-networking.scalable.capital 2 2026-01-29 2026-01-29 nxdomain
dev-networking.scalable.capital 4 2025-10-14 2026-09-14 nxdomain

Showing the first 100 hostnames — sign in with GitHub or Google to page the full list, or use the API with an API key: GET /v1/hosts/scalable.capital.

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/scalable.capital.