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) · 428 ms

HostCertsFirst seenLast seenDNS
marqeta.com 8 2026-03-25 2026-08-28 ok
*.marqeta.com 3 2026-03-25 2026-08-25 —
www-qa3.marqeta.com 5 2026-05-27 2026-09-24 ok
flip-flop-lambda.marqeta.com 3 2025-09-28 2026-08-29 ok
upc.wla.marqeta.com 2 2025-06-13 2026-05-14 ok
qa.marqeta.com 2 2026-03-12 2026-04-29 nodata
airflow2.qa.us-east-1.mq01-qa.marqeta.com 2 2025-10-22 2026-09-22 ok
marquee.qa.us-east-1.mq01-qa.marqeta.com 1 2025-06-09 2025-06-09 nxdomain
marquee.dev.us-east-1.mq01-qa.marqeta.com 1 2025-06-09 2025-06-09 nxdomain
di-runbook.dev.us-east-1.mq01-qa.marqeta.com 1 2025-07-06 2025-07-06 nxdomain
hackathonautofill-qa.mq01-qa.marqeta.com 2 2025-08-12 2026-07-13 ok
airflow2.qa.mq01-qa.marqeta.com 2 2025-10-22 2026-09-22 ok
documents.qa.mq01-qa.marqeta.com 2 2025-08-13 2026-07-14 ok
docs-content.qa.mq01-qa.marqeta.com 2 2025-07-12 2026-06-12 ok
alb.github.mq01-qa.marqeta.com 1 2026-01-02 2026-01-02 ok
external.github.mq01-qa.marqeta.com 1 2026-01-02 2026-01-02 ok
tm-gateway-api.mq01-qa.marqeta.com 3 2026-04-29 2026-09-29 ok
github-qa.marqeta.com 3 2025-08-08 2026-08-27 ok
blog-qa.marqeta.com 5 2026-05-27 2026-09-24 ok
sandbox-api-qa.marqeta.com 2 2025-07-17 2026-06-17 ok
mq-apps-sso-qa.marqeta.com 2 2026-06-05 2026-06-25 nodata
ivr-qa.marqeta.com 5 2026-05-27 2026-09-24 ok
widgets-qa.marqeta.com 5 2026-05-27 2026-09-24 ok
assets-qa.marqeta.com 5 2026-05-27 2026-09-24 ok
www-qa.marqeta.com 4 2026-05-26 2026-07-25 ok
*.qa.marqeta.com 2 2026-03-12 2026-04-29 —
test2.qa.marqeta.com 1 2026-09-02 2026-09-02 nxdomain
upc.wla.qa.marqeta.com 2 2025-06-13 2026-05-14 ok
cui-dogfood.qa.marqeta.com 2 2026-09-14 2026-09-14 ok
auth.mqd.qa.marqeta.com 8 2026-04-14 2026-08-11 ok
resolve.qa.marqeta.com 2 2026-04-08 2026-09-08 ok
card-testing.qa.marqeta.com 4 2026-02-26 2026-09-02 ok
auth.qa.marqeta.com 1 2026-05-06 2026-05-06 ok
wla-acul.auth.qa.marqeta.com 3 2026-03-26 2026-08-26 ok
uber.auth.qa.marqeta.com 10 2026-05-24 2026-09-20 ok
acs-visa-api-internal.qa.marqeta.com 1 2025-11-18 2025-11-18 ok
acs-ul-api-internal.qa.marqeta.com 1 2025-11-18 2025-11-18 ok
app.qa.marqeta.com 1 2026-02-03 2026-02-03 ok
logos.qa.marqeta.com 1 2026-01-21 2026-01-21 ok
static-credit.qa.marqeta.com 2 2025-08-12 2026-07-13 ok
comcred-credit.qa.marqeta.com 13 2026-05-16 2026-09-18 ok
test-brand-credit.qa.marqeta.com 6 2026-05-16 2026-05-20 ok
card-credit.qa.marqeta.com 12 2026-04-09 2026-09-18 ok
auth-credit.qa.marqeta.com 10 2026-05-01 2026-08-27 ok
merchant-m-credit.qa.marqeta.com 11 2026-05-16 2026-09-18 ok
merchant-x-credit.qa.marqeta.com 13 2026-05-16 2026-09-18 ok
web.ux-toolkit.qa.marqeta.com 2 2025-09-24 2026-08-25 ok
studio.ux-toolkit.qa.marqeta.com 2 2025-09-24 2026-08-25 ok
test.qa.marqeta.com 1 2026-08-31 2026-08-31 —
tokenmanager.amex.qa.marqeta.com 2 2025-10-10 2026-09-21 nodata
github.marqeta.com 4 2025-08-08 2026-08-27 ok
litellm-sfdc.marqeta.com 1 2025-10-28 2025-10-28 nxdomain
airflow2.prod.us-east-1.mq01-prod.marqeta.com 1 2025-11-12 2025-11-12 ok
airflow2.prod-pp.us-east-1.mq01-prod.marqeta.com 2 2025-07-30 2026-06-30 ok
airflow2.prod.mq01-prod.marqeta.com 1 2025-11-12 2025-11-12 ok
airflow2.prod-pp.mq01-prod.marqeta.com 2 2025-07-30 2026-06-30 ok
mq-apps-sso-prod.marqeta.com 2 2026-06-11 2026-06-25 nodata
auth.mqd.prod.marqeta.com 8 2026-04-17 2026-08-13 ok
citi-back.prod.marqeta.com 2 2025-08-13 2026-07-16 nodata
tokenmanager.amex.prod.marqeta.com 2 2025-10-10 2026-09-21 nodata
secure.marqeta.com 10 2026-05-17 2026-09-13 ok
vpn-sanjose.marqeta.com 1 2026-04-23 2026-04-23 ok
remote.marqeta.com 1 2026-09-03 2026-09-03 nxdomain
interactive.marqeta.com 21 2026-04-07 2026-10-01 ok
resolve.marqeta.com 2 2026-03-31 2026-08-31 ok
tokenmanager-prod-inbound-jwe.marqeta.com 2 2025-07-17 2026-06-01 nodata
ivr-staging.marqeta.com 5 2026-05-27 2026-09-24 ok
widgets-staging.marqeta.com 5 2026-05-27 2026-09-24 ok
card-test-staging.marqeta.com 1 2026-02-28 2026-02-28 nxdomain
card-testing.marqeta.com 3 2026-02-27 2026-09-03 ok
blog.marqeta.com 5 2026-05-27 2026-09-24 ok
vpn-ash.marqeta.com 1 2025-10-03 2025-10-03 ok
auth.marqeta.com 1 2026-05-06 2026-05-06 ok
wla-acul.auth.marqeta.com 3 2026-03-26 2026-08-26 ok
uber.auth.marqeta.com 10 2026-05-13 2026-09-09 ok
wla-acul-sandbox.auth.marqeta.com 3 2026-03-26 2026-08-26 ok
uber-sandbox.auth.marqeta.com 10 2026-05-12 2026-09-09 ok
fedauth.marqeta.com 2 2026-03-07 2026-07-23 ok
api.marqeta.com 4 2026-06-04 2026-10-02 ok
dwt-visa-api.marqeta.com 2 2025-07-11 2026-06-24 ok
mastercard-alm-api.marqeta.com 2 2025-08-14 2026-07-20 ok
credit-api.marqeta.com 1 2025-12-24 2025-12-24 ok
citipaycredit-api.marqeta.com 1 2025-11-03 2025-11-03 ok
sandbox-api.marqeta.com 2 2025-07-17 2026-06-17 ok
web.cardholder-ui-sdk.marqeta.com 2 2025-09-17 2026-08-18 ok
storybook.cardholder-ui-sdk.marqeta.com 2 2025-09-17 2026-08-18 ok
studio.cardholder-ui-sdk.marqeta.com 2 2025-09-17 2026-08-18 ok
acs-visa-v2-internal.marqeta.com 1 2026-06-11 2026-06-11 ok
acs-visa-v2-sqr-internal.marqeta.com 1 2026-06-11 2026-06-11 ok
vpn-sjc-saml.marqeta.com 4 2025-07-24 2026-07-21 nodata
vpn-ash-saml.marqeta.com 3 2025-07-24 2026-07-20 nodata
uam.marqeta.com 4 2026-08-28 2026-09-23 nodata
medium.marqeta.com 1 2025-09-15 2025-09-15 ok
deprecated-admin.marqeta.com 5 2026-05-27 2026-09-24 ok
ivr-prod-horizon.marqeta.com 5 2026-05-27 2026-09-24 ok
vpn.marqeta.com 1 2026-04-20 2026-04-20 ok
learn.marqeta.com 22 2026-05-07 2026-09-03 ok
hello.marqeta.com 10 2026-04-21 2026-08-19 ok
ivr-develop.marqeta.com 5 2026-05-27 2026-09-24 ok
widgets-develop.marqeta.com 5 2026-05-27 2026-09-24 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/marqeta.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/marqeta.com.