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.

26 hosts · 336 ms

HostCertsFirst seenLast seenDNS
praxent.com 38 2026-05-03 2026-09-19 ok
*.praxent.com 22 2026-05-17 2026-09-19 —
cs2.praxent.com 1 2026-04-14 2026-04-14 nxdomain
fsa.praxent.com 2 2025-07-26 2026-06-26 nodata
fsa-backend.praxent.com 2 2025-07-26 2026-06-26 nodata
fsa-staging-backend.praxent.com 2 2025-07-26 2026-06-26 nxdomain
fsa-development-backend.praxent.com 2 2025-07-26 2026-06-26 nxdomain
fsa-staging.praxent.com 2 2025-07-26 2026-06-26 nodata
ai.praxent.com 4 2026-05-21 2026-09-15 ok
candoneos-api.praxent.com 1 2026-01-14 2026-01-14 ok
qa-candoneos-api.praxent.com 1 2026-01-14 2026-01-14 ok
stage-candoneos-api.praxent.com 1 2026-01-14 2026-01-14 ok
retrosurvey-api.praxent.com 2 2025-06-10 2026-05-11 nxdomain
stage-retrosurvey-api.praxent.com 2 2025-06-10 2026-05-11 nxdomain
email.praxent.com 11 2026-04-27 2026-09-06 ok
info.praxent.com 23 2026-04-26 2026-10-03 ok
candoneos.praxent.com 1 2026-01-14 2026-01-14 ok
qa-candoneos.praxent.com 1 2026-01-14 2026-01-14 ok
stage-candoneos.praxent.com 1 2026-01-14 2026-01-14 ok
fsa-development.praxent.com 2 2025-07-26 2026-06-26 nodata
trust.praxent.com 8 2026-04-24 2026-08-20 ok
retrosurvey.praxent.com 2 2025-06-10 2026-05-11 ok
stage-retrosurvey.praxent.com 2 2025-06-10 2026-05-11 ok
university.praxent.com 4 2026-08-05 2026-10-02 ok
continue-proxy.praxent.com 2 2026-04-22 2026-09-22 ok
2a57j77nf17d51at4ovlohuf3wirpo7.continue-proxy.praxent.com 2 2026-04-22 2026-09-22 nodata

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