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.

34 hosts · 356 ms

HostCertsFirst seenLast seenDNS
nitra.com 36 2026-05-18 2026-09-27 ok
*.nitra.com 15 2026-06-01 2026-09-27 —
api-alpha.nitra.com 4 2026-04-16 2026-08-14 ok
dashboard.nitra.com 5 2026-05-17 2026-09-15 ok
trina-dashboard.nitra.com 3 2026-09-16 2026-09-16 ok
www.dashboard.nitra.com 4 2026-06-09 2026-09-22 ok
dashboard-staging.nitra.com 5 2026-05-18 2026-09-16 ok
trina-dashboard-staging.nitra.com 2 2026-09-16 2026-09-16 ok
api-staging.nitra.com 6 2026-05-18 2026-09-17 ok
api.nitra.com 5 2026-05-17 2026-09-15 ok
demo-api.nitra.com 6 2026-05-21 2026-09-25 ok
www.demo-api.nitra.com 1 2026-05-21 2026-05-21 nxdomain
app-api.nitra.com 6 2026-06-02 2026-09-30 ok
backup-api.nitra.com 2 2026-03-30 2026-08-30 ok
ps-api.nitra.com 5 2026-06-05 2026-10-04 ok
staging-ps-api.nitra.com 5 2026-05-12 2026-09-09 ok
demo-ps-api.nitra.com 5 2026-05-12 2026-09-09 ok
ui.nitra.com 5 2026-05-13 2026-09-12 ok
cdn.nitra.com 5 2026-07-17 2026-09-14 ok
brain.nitra.com 6 2026-06-15 2026-08-13 ok
admin.nitra.com 9 2026-05-29 2026-09-24 ok
demo-admin.nitra.com 12 2026-05-27 2026-09-22 ok
demo.nitra.com 13 2026-04-11 2026-10-05 ok
allygpo.nitra.com 2 2026-09-30 2026-09-30 ok
dashlane-sso.nitra.com 2 2025-06-17 2026-05-18 ok
app.nitra.com 8 2026-04-22 2026-08-19 ok
alpha-partner.nitra.com 5 2026-05-05 2026-09-02 ok
pas.nitra.com 8 2026-04-22 2026-08-18 ok
trueaes.nitra.com 10 2026-04-22 2026-08-18 ok
market.nitra.com 5 2026-04-11 2026-09-23 ok
mart.nitra.com 7 2026-04-24 2026-08-22 ok
demo-mart.nitra.com 5 2026-06-05 2026-10-04 ok
trueaes-mart.nitra.com 5 2026-05-14 2026-09-13 ok
www.nitra.com 24 2026-06-03 2026-08-30 ok

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