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) · 395 ms

HostCertsFirst seenLast seenDNS
flatpay.com 12 2026-02-09 2026-08-29 ok
*.flatpay.com 2 2026-02-09 2026-02-09 —
auth-poc.flatpay.com 1 2026-05-01 2026-05-01 nxdomain
*.auth-poc.flatpay.com 1 2026-05-01 2026-05-01 —
dashboard.flatpay.com 5 2026-04-27 2026-09-27 ok
support-dashboard.flatpay.com 4 2026-04-17 2026-04-20 nxdomain
test-support-dashboard.flatpay.com 2 2026-04-20 2026-04-20 nxdomain
*.test-support-dashboard.flatpay.com 2 2026-04-20 2026-04-20 —
*.support-dashboard.flatpay.com 4 2026-04-17 2026-04-20 —
test-dashboard.flatpay.com 5 2026-04-27 2026-09-27 ok
*.test-dashboard.flatpay.com 5 2026-04-27 2026-09-27 —
*.dashboard.flatpay.com 5 2026-04-27 2026-09-27 —
test-email-service.flatpay.com 2 2026-09-04 2026-09-10 nxdomain
*.test-email-service.flatpay.com 2 2026-09-04 2026-09-10 —
crm-service.flatpay.com 2 2026-02-09 2026-02-09 ok
test-crm-service.flatpay.com 2 2026-02-09 2026-02-09 ok
*.test-crm-service.flatpay.com 2 2026-02-09 2026-02-09 —
*.crm-service.flatpay.com 2 2026-02-09 2026-02-09 —
test-merchant-service.flatpay.com 2 2026-09-28 2026-09-28 nxdomain
*.test-merchant-service.flatpay.com 2 2026-09-28 2026-09-28 —
report-service.flatpay.com 2 2026-04-14 2026-09-14 ok
test-report-service.flatpay.com 2 2026-04-14 2026-09-14 ok
call-knowledge.flatpay.com 1 2025-11-11 2025-11-11 ok
credit-card-iframe.flatpay.com 3 2026-02-24 2026-08-11 nxdomain
test-credit-card-iframe.flatpay.com 1 2026-02-24 2026-02-24 nxdomain
stape.flatpay.com 5 2026-04-28 2026-08-26 ok
load.stape.flatpay.com 16 2026-04-18 2026-08-14 ok
ai-engineering.flatpay.com 1 2025-11-12 2025-11-12 ok
codeberg.flatpay.com 1 2026-01-27 2026-01-27 nxdomain
*.codeberg.flatpay.com 1 2026-01-27 2026-01-27 —
auth.flatpay.com 6 2026-04-27 2026-06-01 ok
test-auth.flatpay.com 3 2026-05-26 2026-09-14 ok
*.test-auth.flatpay.com 3 2026-05-26 2026-09-14 —
*.auth.flatpay.com 6 2026-04-27 2026-06-01 —
api-ai.flatpay.com 3 2026-02-24 2026-07-27 ok
dev-api-ai.flatpay.com 3 2026-04-13 2026-09-13 ok
*.dev-api-ai.flatpay.com 3 2026-04-13 2026-09-13 —
*.api-ai.flatpay.com 3 2026-02-24 2026-07-27 —
moshimoshi.flatpay.com 2 2026-04-21 2026-04-21 nxdomain
*.moshimoshi.flatpay.com 2 2026-04-21 2026-04-21 —
pax-camunda-api.flatpay.com 7 2026-01-08 2026-08-03 ok
test-pax-camunda-api.flatpay.com 4 2026-02-17 2026-08-03 ok
*.test-pax-camunda-api.flatpay.com 4 2026-02-17 2026-08-03 —
*.pax-camunda-api.flatpay.com 7 2026-01-08 2026-08-03 —
banking-api.flatpay.com 2 2026-02-02 2026-02-02 ok
test-banking-api.flatpay.com 2 2026-01-15 2026-01-26 ok
*.test-banking-api.flatpay.com 2 2026-01-15 2026-01-26 —
*.banking-api.flatpay.com 2 2026-02-02 2026-02-02 —
capital-api.flatpay.com 4 2026-04-15 2026-09-15 ok
test-capital-api.flatpay.com 4 2026-03-13 2026-08-13 ok
*.test-capital-api.flatpay.com 4 2026-03-13 2026-08-13 —
*.capital-api.flatpay.com 4 2026-04-15 2026-09-15 —
support-tool-api.flatpay.com 3 2026-09-17 2026-09-17 nxdomain
test-support-tool-api.flatpay.com 4 2026-08-28 2026-09-16 nxdomain
*.test-support-tool-api.flatpay.com 4 2026-08-28 2026-09-16 —
*.support-tool-api.flatpay.com 3 2026-09-17 2026-09-17 —
ecom-api.flatpay.com 2 2025-07-11 2026-06-11 ok
test-ecom-api.flatpay.com 2 2025-07-11 2026-06-11 ok
online-order-api.flatpay.com 2 2026-06-15 2026-06-15 ok
test-online-order-api.flatpay.com 5 2026-04-20 2026-09-21 ok
*.test-online-order-api.flatpay.com 5 2026-04-20 2026-09-21 —
*.online-order-api.flatpay.com 2 2026-06-15 2026-06-15 —
test-ics-api.flatpay.com 3 2025-10-20 2026-09-20 ok
payment-api.flatpay.com 2 2025-10-17 2026-09-17 ok
dev-payment-api.flatpay.com 3 2026-04-28 2026-09-28 ok
vpc-origin-dev-payment-api.flatpay.com 7 2025-10-27 2026-09-27 ok
card-present-api.flatpay.com 5 2026-05-05 2026-10-05 ok
dev-card-present-api.flatpay.com 5 2026-02-25 2026-08-04 ok
*.dev-card-present-api.flatpay.com 4 2026-03-03 2026-08-04 —
*.card-present-api.flatpay.com 5 2026-05-05 2026-10-05 —
test-fiscal-printer-mock.flatpay.com 3 2025-10-24 2025-11-11 nxdomain
link.flatpay.com 4 2026-06-06 2026-10-04 ok
portal.flatpay.com 1 2025-12-01 2025-12-01 ok
terminal-portal.flatpay.com 1 2025-12-14 2025-12-14 nodata
test-terminal-portal.flatpay.com 2 2026-03-01 2026-07-17 nodata
translation-portal.flatpay.com 1 2026-01-29 2026-01-29 ok
test-portal.flatpay.com 2 2025-12-01 2026-01-29 ok
support-tool.flatpay.com 2 2026-09-25 2026-09-29 nxdomain
test-support-tool.flatpay.com 1 2026-09-25 2026-09-25 nxdomain
*.test-support-tool.flatpay.com 1 2026-09-25 2026-09-25 —
*.support-tool.flatpay.com 2 2026-09-25 2026-09-29 —
cdn.flatpay.com 1 2025-12-30 2025-12-30 ok
stream-cdn.flatpay.com 1 2026-01-27 2026-01-27 ok
test-cdn.flatpay.com 2 2025-12-30 2026-07-28 ok
admin.flatpay.com 2 2025-07-07 2026-06-07 ok
aws-vpn.flatpay.com 28 2025-07-25 2026-10-01 nxdomain
help.flatpay.com 16 2026-05-12 2026-09-07 ok
data-processor.flatpay.com 3 2025-06-11 2026-05-21 ok
test-data-processor.flatpay.com 2 2025-06-24 2026-05-25 ok
jobs.flatpay.com 4 2026-08-12 2026-09-21 ok
ecom-terms.flatpay.com 2 2026-04-08 2026-09-08 ok
test-ecom-terms.flatpay.com 3 2026-04-07 2026-09-08 ok
project-cosmos.flatpay.com 7 2026-04-24 2026-09-30 ok
*.project-cosmos.flatpay.com 7 2026-04-24 2026-09-30 —
test-assets.flatpay.com 2 2026-03-03 2026-07-19 ok
accounts.flatpay.com 1 2026-07-29 2026-07-29 ok
test-accounts.flatpay.com 1 2026-07-29 2026-07-29 ok
receipts.flatpay.com 2 2026-04-09 2026-09-09 ok
test-receipts.flatpay.com 2 2026-04-06 2026-09-06 ok
flatpay-scripts.flatpay.com 1 2026-01-27 2026-01-27 ok

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/flatpay.com.

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/flatpay.com.