Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

39 hosts · 213 ms

HostCertsFirst seenLast seen
dext.com 4 2025-09-24 2026-08-24
*.dext.com 5 2025-09-24 2026-08-24
docs.ipa.dext.com 4 2026-04-12 2026-08-10
orb.dext.com 4 2026-06-05 2026-09-21
infosec.dext.com 1 2025-07-09 2025-07-09
finance.dext.com 1 2025-12-08 2025-12-08
commerce.dext.com 2 2025-10-03 2026-09-03
uptime.dext.com 5 2026-05-07 2026-09-05
engineering.dext.com 5 2026-04-26 2026-08-24
research.dext.com 11 2026-05-31 2026-09-26
fetch.dext.com 1 2025-11-12 2025-11-12
fetch-api.dext.com 1 2025-11-12 2025-11-12
haloitsm.dext.com 1 2026-02-05 2026-02-05
join.dext.com 10 2026-04-29 2026-08-24
precision.dext.com 2 2026-05-03 2026-10-03
*.precision.dext.com 2 2026-05-03 2026-10-03
info.dext.com 10 2026-04-24 2026-09-04
collector-beta.app.dext.com 2 2026-08-07 2026-10-06
commerce.app.dext.com 2 2025-10-03 2026-09-03
precision.app.dext.com 2 2025-09-30 2026-08-31
assets.app.dext.com 1 2025-11-11 2025-11-11
brand-toolkit-fr.dext.com 3 2026-06-07 2026-08-06
hr.dext.com 6 2026-02-26 2026-08-20
services.dext.com 1 2026-04-21 2026-04-21
guides.dext.com 5 2026-04-29 2026-08-28
precision.sales.dext.com 3 2026-04-13 2026-09-13
files.dext.com 1 2026-02-17 2026-02-17
releases.dext.com 5 2026-05-04 2026-09-02
quotes.dext.com 5 2026-04-27 2026-09-06
assets.dext.com 1 2025-11-16 2025-11-16
mta-sts.dext.com 5 2026-04-23 2026-08-23
status.dext.com 5 2026-05-07 2026-09-05
orangeselect.dext.com 5 2026-05-24 2026-09-27
salesloft.dext.com 5 2026-05-24 2026-09-21
it.dext.com 6 2026-01-29 2026-08-20
brand-toolkit.dext.com 3 2026-06-07 2026-08-06
engagement.dext.com 4 2026-04-28 2026-06-27
trust.dext.com 13 2026-06-06 2026-10-03
orb-next.dext.com 2 2026-09-21 2026-09-21

Programmatic access: API GET /v1/hosts/dext.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/dext.com.