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.

44 hosts · 285 ms

HostCertsFirst seenLast seenDNS
reperiohealth.com 16 2026-01-30 2026-09-23 ok
*.reperiohealth.com 3 2026-01-30 2026-05-21 —
th.sb.reperiohealth.com 2 2025-06-22 2026-05-23 ok
ai.sb.reperiohealth.com 1 2025-11-07 2025-11-07 ok
demandinc.reperiohealth.com 5 2026-04-22 2026-08-20 ok
download.reperiohealth.com 2 2026-04-08 2026-09-08 ok
care.prod.reperiohealth.com 1 2025-09-05 2025-09-05 nxdomain
loveable.reperiohealth.com 9 2026-06-04 2026-09-30 ok
lovable.reperiohealth.com 4 2026-06-04 2026-06-04 nxdomain
people.reperiohealth.com 4 2026-05-03 2026-09-19 ok
www.people.reperiohealth.com 4 2026-05-03 2026-09-19 ok
care.reperiohealth.com 1 2025-09-05 2025-09-05 ok
api.care.reperiohealth.com 2 2025-10-15 2025-12-23 ok
toby-staging.reperiohealth.com 2 2025-10-07 2026-09-07 ok
*.staging.reperiohealth.com 2 2026-04-21 2026-09-21 —
care.staging.reperiohealth.com 3 2025-08-05 2025-12-22 ok
api.care.staging.reperiohealth.com 3 2025-10-15 2026-09-15 ok
services.staging.reperiohealth.com 3 2026-04-21 2026-09-21 ok
th.reperiohealth.com 1 2026-02-10 2026-02-10 ok
test-auth.reperiohealth.com 3 2026-03-17 2026-08-17 ok
api.reperiohealth.com 1 2026-02-08 2026-02-08 ok
email-link.reperiohealth.com 2 2026-04-09 2026-09-09 ok
links.mail.reperiohealth.com 2 2025-08-24 2026-07-25 ok
links.team.reperiohealth.com 2 2025-08-24 2026-07-25 ok
livedemo.reperiohealth.com 1 2025-11-29 2025-11-29 ok
novo.reperiohealth.com 2 2025-10-12 2026-09-12 ok
app.reperiohealth.com 2 2025-10-12 2026-09-12 ok
test-provider.reperiohealth.com 3 2026-03-17 2026-08-17 ok
test-customer.reperiohealth.com 3 2026-03-17 2026-08-17 ok
services.reperiohealth.com 1 2026-05-21 2026-05-21 ok
userguides.reperiohealth.com 1 2025-11-13 2025-11-13 ok
payments.reperiohealth.com 8 2026-04-22 2026-08-18 ok
trialkit.reperiohealth.com 2 2026-03-29 2026-08-29 ok
care.test.reperiohealth.com 7 2025-08-28 2026-02-07 nxdomain
*.matttest.reperiohealth.com 1 2026-04-15 2026-04-15 —
care.matttest.reperiohealth.com 6 2025-09-18 2026-03-19 nxdomain
api.care.matttest.reperiohealth.com 6 2025-09-25 2026-03-19 nxdomain
services.matttest.reperiohealth.com 1 2026-04-15 2026-04-15 nxdomain
trust.reperiohealth.com 11 2026-04-10 2026-10-05 ok
internal.dev.reperiohealth.com 2 2026-04-14 2026-09-14 ok
novo.dev.reperiohealth.com 2 2025-10-10 2026-09-10 ok
app.dev.reperiohealth.com 2 2025-10-10 2026-09-10 ok
www.reperiohealth.com 14 2026-05-27 2026-09-22 ok
toby.reperiohealth.com 1 2025-12-13 2025-12-13 ok

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