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) · 423 ms

HostCertsFirst seenLast seenDNS
fortra.com 11 2025-09-09 2026-09-03 ok
*.fortra.com 15 2025-06-25 2026-09-08 —
cs-repos-rh9.fortra.com 2 2025-07-25 2026-06-25 ok
delta.fortra.com 5 2026-05-06 2026-09-01 ok
partners.delta.fortra.com 5 2026-05-28 2026-09-23 ok
static.fortra.com 2 2025-07-28 2026-06-28 ok
download.fortra.com 5 2026-05-27 2026-09-24 ok
security-landscape.fortra.com 2 2026-02-23 2026-04-28 nodata
botstore.fortra.com 5 2026-05-04 2026-09-01 ok
automate.fortra.com 12 2026-04-20 2026-08-16 ok
activate.fortra.com 3 2026-02-19 2026-10-03 ok
staging.fortra.com 6 2026-04-13 2026-08-10 ok
cs-repos-rh9-staging.fortra.com 2 2025-07-25 2026-06-25 ok
cs-repos-staging.fortra.com 1 2026-02-14 2026-02-14 ok
training.fortra.com 3 2026-06-15 2026-08-13 ok
staging-training.fortra.com 3 2026-06-15 2026-08-13 ok
portal.fortra.com 8 2026-03-22 2026-09-01 nodata
*.portal.fortra.com 8 2026-03-22 2026-09-01 —
production.portal.fortra.com 2 2026-03-22 2026-08-22 ok
scim.fortra.com 5 2026-05-22 2026-09-19 ok
platform.fortra.com 5 2025-12-09 2026-09-28 ok
*.platform.fortra.com 2 2026-02-26 2026-07-29 —
sea.platform.fortra.com 3 2026-06-05 2026-08-17 ok
satna.platform.fortra.com 3 2026-05-11 2026-09-23 ok
api.ftb.platform.fortra.com 2 2026-06-27 2026-06-27 ok
eu.api.ftb.platform.fortra.com 1 2026-05-29 2026-05-29 nodata
us.efc.platform.fortra.com 2 2026-06-11 2026-06-11 ok
eu.efc.platform.fortra.com 3 2025-11-16 2026-09-09 ok
outflank.platform.fortra.com 3 2026-06-16 2026-08-15 nodata
*.outflank.platform.fortra.com 3 2026-06-16 2026-08-15 —
tst2.outflank.platform.fortra.com 1 2026-08-26 2026-08-26 nodata
*.tst2.outflank.platform.fortra.com 1 2026-08-26 2026-08-26 —
salesvdi.outflank.platform.fortra.com 5 2026-05-07 2026-09-04 ok
us.outflank.platform.fortra.com 10 2026-05-01 2026-08-29 nodata
*.us.outflank.platform.fortra.com 10 2026-05-01 2026-08-29 —
tst.outflank.platform.fortra.com 6 2026-04-14 2026-09-12 nodata
*.tst.outflank.platform.fortra.com 6 2026-04-14 2026-09-12 —
eu.outflank.platform.fortra.com 5 2026-04-30 2026-08-28 nodata
*.eu.outflank.platform.fortra.com 5 2026-04-30 2026-08-28 —
eu.epm.platform.fortra.com 4 2025-09-29 2026-08-30 ok
agent.eu.epm.platform.fortra.com 5 2026-04-22 2026-08-20 ok
agent-connectivity.eu.epm.platform.fortra.com 3 2026-06-10 2026-08-09 ok
se.vm.platform.fortra.com 2 2025-07-31 2026-07-01 ok
*.se.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
static.se.vm.platform.fortra.com 2 2025-07-31 2026-07-01 ok
*.vm.se.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
*.login.se.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
*.was.se.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
themes.se.vm.platform.fortra.com 2 2025-07-31 2026-07-01 ok
*.clientops.se.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
assets.se.vm.platform.fortra.com 2 2025-07-31 2026-07-01 ok
*.account.se.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
*.pentest.se.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
fvmstaging.vm.platform.fortra.com 2 2025-09-04 2025-09-04 servfail
*.fvmstaging.vm.platform.fortra.com 2 2025-09-04 2025-09-04 —
static.fvmstaging.vm.platform.fortra.com 2 2025-09-04 2025-09-04 servfail
*.vm.fvmstaging.vm.platform.fortra.com 2 2025-09-04 2025-09-04 —
*.login.fvmstaging.vm.platform.fortra.com 2 2025-09-04 2025-09-04 —
*.was.fvmstaging.vm.platform.fortra.com 2 2025-09-04 2025-09-04 —
themes.fvmstaging.vm.platform.fortra.com 2 2025-09-04 2025-09-04 servfail
*.clientops.fvmstaging.vm.platform.fortra.com 2 2025-09-04 2025-09-04 —
assets.fvmstaging.vm.platform.fortra.com 2 2025-09-04 2025-09-04 servfail
*.account.fvmstaging.vm.platform.fortra.com 2 2025-09-04 2025-09-04 —
*.pentest.fvmstaging.vm.platform.fortra.com 2 2025-09-04 2025-09-04 —
ch.vm.platform.fortra.com 2 2026-04-02 2026-09-02 ok
*.ch.vm.platform.fortra.com 2 2026-04-02 2026-09-02 —
static.ch.vm.platform.fortra.com 2 2026-04-02 2026-09-02 ok
*.vm.ch.vm.platform.fortra.com 2 2026-04-02 2026-09-02 —
*.login.ch.vm.platform.fortra.com 2 2026-04-02 2026-09-02 —
*.was.ch.vm.platform.fortra.com 2 2026-04-02 2026-09-02 —
themes.ch.vm.platform.fortra.com 2 2026-04-02 2026-09-02 ok
*.clientops.ch.vm.platform.fortra.com 2 2026-04-02 2026-09-02 —
assets.ch.vm.platform.fortra.com 2 2026-04-02 2026-09-02 ok
*.account.ch.vm.platform.fortra.com 2 2026-04-02 2026-09-02 —
*.pentest.ch.vm.platform.fortra.com 2 2026-04-02 2026-09-02 —
uk.vm.platform.fortra.com 2 2025-07-31 2026-07-01 ok
*.uk.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
static.uk.vm.platform.fortra.com 2 2025-07-31 2026-07-01 ok
*.vm.uk.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
*.login.uk.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
*.was.uk.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
themes.uk.vm.platform.fortra.com 2 2025-07-31 2026-07-01 ok
*.clientops.uk.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
assets.uk.vm.platform.fortra.com 2 2025-07-31 2026-07-01 ok
*.account.uk.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
*.pentest.uk.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
jp.vm.platform.fortra.com 2 2025-07-31 2026-07-01 ok
*.jp.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
static.jp.vm.platform.fortra.com 2 2025-07-31 2026-07-01 ok
*.vm.jp.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
*.login.jp.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
*.was.jp.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
themes.jp.vm.platform.fortra.com 2 2025-07-31 2026-07-01 ok
*.clientops.jp.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
assets.jp.vm.platform.fortra.com 2 2025-07-31 2026-07-01 ok
*.account.jp.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
*.pentest.jp.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
us.vm.platform.fortra.com 2 2025-07-31 2026-07-01 ok
*.us.vm.platform.fortra.com 2 2025-07-31 2026-07-01 —
static.us.vm.platform.fortra.com 2 2025-07-31 2026-07-01 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/fortra.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/fortra.com.