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) · 457 ms

HostCertsFirst seenLast seenDNS
stukent.com 41 2025-09-04 2026-10-03 ok
*.stukent.com 12 2025-09-04 2026-10-03 —
media.stukent.com 2 2026-04-01 2026-09-01 ok
staging.media.stukent.com 2 2025-06-25 2026-05-26 ok
dev.media.stukent.com 1 2026-05-07 2026-05-07 ok
static.stukent.com 2 2026-03-04 2026-08-04 nodata
*.highered.stukent.com 3 2026-09-08 2026-09-15 —
do-vod.highered.stukent.com 1 2026-09-14 2026-09-14 nxdomain
*.stg.highered.stukent.com 3 2026-09-08 2026-09-15 —
do-vod.stg.highered.stukent.com 2 2026-09-11 2026-09-11 nxdomain
dev.moodle.stukent.com 2 2026-08-11 2026-08-11 ok
home.stukent.com 2 2026-01-19 2026-06-12 ok
staging.home.stukent.com 2 2026-01-19 2026-06-12 ok
feature.stukent.com 1 2026-07-24 2026-07-24 nodata
*.feature.stukent.com 1 2026-07-24 2026-07-24 —
certificate.stukent.com 2 2026-01-13 2026-06-10 ok
staging.certificate.stukent.com 2 2026-01-19 2026-06-13 ok
dev.certificate.stukent.com 2 2026-01-19 2026-06-13 ok
cte.stukent.com 14 2026-05-15 2026-09-05 ok
*.cte.stukent.com 2 2025-06-27 2026-05-28 —
do-vod.cte.stukent.com 20 2026-04-14 2026-09-30 ok
*.stg.cte.stukent.com 2 2025-08-13 2026-07-14 —
do-vod.stg.cte.stukent.com 20 2026-04-14 2026-09-30 ok
l.cte.stukent.com 5 2026-05-08 2026-09-03 ok
*.sandbox.cte.stukent.com 1 2026-10-05 2026-10-05 —
apif.stukent.com 2 2026-01-26 2026-06-12 ok
staging.apif.stukent.com 3 2026-05-22 2026-10-03 ok
dev.apif.stukent.com 3 2026-05-17 2026-09-30 ok
mpf.stukent.com 4 2026-05-24 2026-10-05 ok
staging.mpf.stukent.com 2 2026-01-09 2026-05-27 ok
dev.mpf.stukent.com 2 2026-01-17 2026-06-09 ok
mpf-training.stukent.com 4 2026-05-28 2026-09-01 ok
authoring.stukent.com 4 2026-04-12 2026-08-24 ok
tmp-authoring.stukent.com 2 2026-02-07 2026-06-20 ok
preview-40760.authoring.stukent.com 1 2026-03-10 2026-03-10 nxdomain
preview-40880.authoring.stukent.com 1 2026-03-16 2026-03-16 nxdomain
preview-40990.authoring.stukent.com 1 2026-03-24 2026-03-24 nxdomain
preview-41131.authoring.stukent.com 1 2026-04-15 2026-04-15 nxdomain
preview-42931.authoring.stukent.com 1 2026-07-22 2026-07-22 nxdomain
preview-40571.authoring.stukent.com 1 2026-02-22 2026-02-22 nxdomain
preview-40812.authoring.stukent.com 1 2026-03-13 2026-03-13 nxdomain
preview-43253.authoring.stukent.com 2 2026-08-10 2026-08-10 ok
preview-40224.authoring.stukent.com 1 2026-02-03 2026-02-03 ok
preview-43405.authoring.stukent.com 2 2026-08-19 2026-08-19 nxdomain
preview-43187.authoring.stukent.com 1 2026-08-06 2026-08-06 nxdomain
preview-43418.authoring.stukent.com 2 2026-08-20 2026-08-20 nxdomain
preview-43498.authoring.stukent.com 2 2026-08-25 2026-08-25 ok
preview-40589.authoring.stukent.com 1 2026-03-06 2026-03-06 nxdomain
staging.authoring.stukent.com 1 2026-05-28 2026-05-28 ok
previews.authoring.stukent.com 2 2026-08-27 2026-08-27 ok
dev.authoring.stukent.com 3 2026-05-13 2026-09-25 ok
scoring-api.stukent.com 2 2026-01-26 2026-06-12 ok
staging.scoring-api.stukent.com 3 2026-05-13 2026-09-25 ok
dev.scoring-api.stukent.com 3 2026-05-25 2026-10-06 ok
padlock.stukent.com 2 2026-05-17 2026-05-17 nxdomain
cdn.stukent.com 3 2026-05-25 2026-10-07 ok
staging.cdn.stukent.com 1 2026-05-27 2026-05-27 ok
dev.cdn.stukent.com 2 2026-05-11 2026-09-22 ok
mimiccdn.stukent.com 1 2026-05-28 2026-05-28 ok
staging.mimiccdn.stukent.com 1 2026-05-27 2026-05-27 ok
dev.mimiccdn.stukent.com 5 2026-05-13 2026-09-29 ok
login.stukent.com 2 2026-01-26 2026-06-12 ok
staging.login.stukent.com 3 2026-05-19 2026-10-01 ok
dev.login.stukent.com 3 2026-05-22 2026-10-03 ok
join.stukent.com 2 2026-05-24 2026-10-05 ok
staging.join.stukent.com 1 2026-05-27 2026-05-27 ok
previews.join.stukent.com 1 2026-10-01 2026-10-01 ok
dev.join.stukent.com 2 2026-01-13 2026-06-11 ok
horizon.stukent.com 1 2026-01-13 2026-01-13 nodata
staging.horizon.stukent.com 1 2026-05-28 2026-05-28 ok
dev.horizon.stukent.com 3 2026-05-23 2026-10-04 ok
info.stukent.com 9 2026-04-20 2026-09-17 ok
linttrap.stukent.com 1 2026-10-06 2026-10-06 ok
mimicapp.stukent.com 2 2026-05-23 2026-10-04 ok
preview-42000.mimicapp.stukent.com 1 2026-05-26 2026-05-26 nxdomain
preview-41100.mimicapp.stukent.com 1 2026-03-31 2026-03-31 nxdomain
preview-41200.mimicapp.stukent.com 1 2026-04-06 2026-04-06 nxdomain
preview-42500.mimicapp.stukent.com 1 2026-06-26 2026-06-26 nxdomain
preview-41700.mimicapp.stukent.com 1 2026-05-05 2026-05-05 nxdomain
preview-42700.mimicapp.stukent.com 1 2026-07-09 2026-07-09 nxdomain
preview-41010.mimicapp.stukent.com 1 2026-03-25 2026-03-25 nxdomain
preview-41310.mimicapp.stukent.com 1 2026-04-13 2026-04-13 nxdomain
preview-42410.mimicapp.stukent.com 1 2026-06-23 2026-06-23 nxdomain
preview-42610.mimicapp.stukent.com 1 2026-07-02 2026-07-02 nxdomain
preview-40810.mimicapp.stukent.com 1 2026-03-12 2026-03-12 nxdomain
preview-41810.mimicapp.stukent.com 1 2026-05-11 2026-05-11 nxdomain
preview-41020.mimicapp.stukent.com 1 2026-03-26 2026-03-26 nxdomain
preview-42120.mimicapp.stukent.com 1 2026-06-03 2026-06-03 nxdomain
preview-41420.mimicapp.stukent.com 1 2026-04-20 2026-04-20 nxdomain
preview-40520.mimicapp.stukent.com 1 2026-02-16 2026-02-16 nxdomain
preview-42720.mimicapp.stukent.com 1 2026-07-09 2026-07-09 nxdomain
preview-41820.mimicapp.stukent.com 1 2026-05-12 2026-05-12 nxdomain
preview-41920.mimicapp.stukent.com 1 2026-05-18 2026-05-18 nxdomain
preview-39920.mimicapp.stukent.com 1 2026-01-12 2026-01-12 nxdomain
preview-42030.mimicapp.stukent.com 1 2026-05-27 2026-05-27 nxdomain
preview-41430.mimicapp.stukent.com 1 2026-04-21 2026-04-21 nxdomain
preview-41530.mimicapp.stukent.com 1 2026-04-24 2026-04-24 nxdomain
preview-41630.mimicapp.stukent.com 1 2026-04-30 2026-04-30 nxdomain
preview-42930.mimicapp.stukent.com 1 2026-07-22 2026-07-22 nxdomain
preview-39930.mimicapp.stukent.com 1 2026-01-12 2026-01-12 nxdomain

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/stukent.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/stukent.com.