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.

93 hosts · 498 ms

HostCertsFirst seenLast seenDNS
paytient.com 10 2025-10-29 2026-09-29 ok
*.paytient.com 5 2025-10-29 2026-09-29 —
qa.paytient.com 4 2025-06-21 2026-05-22 nodata
*.qa.paytient.com 4 2025-06-21 2026-05-22 —
api.qa.paytient.com 2 2025-06-21 2025-06-23 nxdomain
link.qa.paytient.com 2 2025-06-21 2025-06-23 nxdomain
portal.qa.paytient.com 2 2025-06-21 2025-06-23 nxdomain
partner.qa.paytient.com 1 2025-06-21 2025-06-21 nxdomain
demand.paytient.com 5 2026-04-23 2026-08-20 ok
card.paytient.com 4 2026-04-13 2026-10-06 ok
secure.paytient.com 5 2026-05-20 2026-10-07 ok
local-sonia-secure.paytient.com 3 2026-06-09 2026-08-18 ok
ai-onboarding.paytient.com 1 2026-07-15 2026-07-15 ok
staging.paytient.com 18 2025-06-25 2026-08-06 nodata
paytient-staging.paytient.com 5 2026-04-01 2026-09-19 ok
catch-paytient-staging.paytient.com 2 2025-06-21 2025-06-22 nxdomain
partner-temp-paytient-staging.paytient.com 4 2026-03-30 2026-03-31 nxdomain
partner-paytient-staging.paytient.com 4 2026-04-01 2026-09-07 ok
secure.paytient-staging.paytient.com 5 2026-05-20 2026-10-07 ok
ai-gateway-staging.paytient.com 1 2026-09-04 2026-09-04 nxdomain
*.staging.paytient.com 18 2025-06-25 2026-08-06 —
dwolla.staging.paytient.com 2 2025-08-28 2026-07-29 ok
persona.staging.paytient.com 2 2025-07-15 2026-06-15 ok
cpd.staging.paytient.com 2 2025-07-15 2026-06-15 ok
stripe.staging.paytient.com 2 2025-07-28 2026-06-28 ok
catch.staging.paytient.com 2 2025-06-21 2025-06-22 nxdomain
api.staging.paytient.com 7 2026-03-02 2026-09-19 ok
*.api.staging.paytient.com 2 2026-03-02 2026-08-02 —
link.staging.paytient.com 5 2026-04-01 2026-09-19 ok
portal.staging.paytient.com 5 2026-04-01 2026-09-19 ok
cdn.staging.paytient.com 3 2026-04-29 2026-09-29 ok
webhookdemo.staging.paytient.com 2 2026-06-17 2026-06-17 nxdomain
agent-p.staging.paytient.com 2 2026-06-25 2026-09-02 ok
partner-temp.staging.paytient.com 4 2026-03-30 2026-03-31 nxdomain
app.staging.paytient.com 1 2025-06-25 2025-06-25 ok
*.app.staging.paytient.com 1 2025-06-25 2025-06-25 —
partner.staging.paytient.com 4 2026-04-01 2026-09-07 ok
secure.partner.staging.paytient.com 4 2026-08-26 2026-08-26 ok
webhooks.staging.paytient.com 2 2026-06-17 2026-06-17 ok
pay.staging.paytient.com 1 2026-01-26 2026-01-26 ok
*.pay.staging.paytient.com 1 2026-01-26 2026-01-26 —
multi-region-amplify.staging.paytient.com 2 2025-06-16 2026-05-17 ok
catch.paytient.com 2 2025-06-21 2025-06-22 nxdomain
api.paytient.com 5 2025-11-23 2026-09-19 ok
*.api.paytient.com 1 2025-11-23 2025-11-23 —
link.paytient.com 4 2026-04-02 2026-09-19 ok
airbyte.analytics-internal.paytient.com 1 2026-03-25 2026-03-25 nxdomain
auth.analytics-internal.paytient.com 2 2026-04-01 2026-09-01 ok
auth.dylan.analytics-internal.paytient.com 2 2025-08-21 2026-07-22 ok
portal.paytient.com 4 2026-04-02 2026-09-19 ok
links.mail.paytient.com 2 2025-07-28 2026-06-28 ok
mta-sts.mail.paytient.com 3 2025-09-30 2026-08-31 ok
platform.paytient.com 1 2026-08-21 2026-08-21 ok
*.platform.paytient.com 1 2026-09-08 2026-09-08 —
cdn.paytient.com 1 2026-05-10 2026-05-10 ok
implementation.paytient.com 9 2026-05-27 2026-09-22 ok
production.paytient.com 3 2025-10-29 2026-09-29 nodata
*.production.paytient.com 3 2025-10-29 2026-09-29 —
dwolla.production.paytient.com 2 2025-09-10 2026-08-11 ok
persona.production.paytient.com 2 2025-08-22 2026-07-23 ok
cpd.production.paytient.com 2 2025-07-17 2026-06-17 ok
stripe.production.paytient.com 2 2025-07-28 2026-06-28 ok
catch.production.paytient.com 2 2025-06-21 2025-06-22 nxdomain
api.production.paytient.com 5 2025-11-23 2026-09-19 ok
*.api.production.paytient.com 1 2025-11-23 2025-11-23 —
link.production.paytient.com 4 2026-04-02 2026-09-19 ok
portal.production.paytient.com 4 2026-04-02 2026-09-19 ok
cdn.production.paytient.com 1 2026-05-10 2026-05-10 ok
webhookdemo.production.paytient.com 2 2026-06-17 2026-06-17 nxdomain
partner-temp.production.paytient.com 2 2026-03-31 2026-03-31 nxdomain
partner.production.paytient.com 4 2026-04-02 2026-09-08 ok
secure.partner.production.paytient.com 2 2026-08-28 2026-08-31 ok
webhooks.production.paytient.com 2 2026-06-17 2026-06-17 ok
pay.production.paytient.com 1 2026-01-26 2026-01-26 ok
*.pay.production.paytient.com 1 2026-01-26 2026-01-26 —
learn.paytient.com 2 2026-03-25 2026-08-25 ok
partner-temp.paytient.com 2 2026-03-31 2026-03-31 nxdomain
partner.paytient.com 4 2026-04-02 2026-09-08 ok
secure.partner.paytient.com 2 2026-08-28 2026-08-31 ok
analytics.paytient.com 4 2026-05-25 2026-09-22 ok
es.paytient.com 12 2026-05-14 2026-09-09 ok
preferences.paytient.com 10 2026-04-19 2026-08-15 ok
vgs.paytient.com 3 2026-06-11 2026-08-20 ok
rxdiscounts.paytient.com 5 2026-05-07 2026-09-04 ok
meet.paytient.com 10 2026-05-03 2026-08-30 ok
links.account.paytient.com 2 2025-07-28 2026-06-28 ok
start.paytient.com 6 2026-04-24 2026-08-18 ok
podcast.paytient.com 5 2026-04-30 2026-08-28 ok
www.paytient.com 12 2026-05-04 2026-08-30 ok
rx.paytient.com 10 2026-04-28 2026-08-24 ok
pay.paytient.com 1 2026-01-07 2026-01-07 ok
*.pay.paytient.com 1 2026-01-07 2026-01-07 —
ai-gateway.paytient.com 1 2026-05-22 2026-05-22 ok

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