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.

49 hosts · 252 ms

HostCertsFirst seenLast seen
studyfetch.com 50 2026-04-12 2026-10-06
*.studyfetch.com 32 2026-04-12 2026-10-06
v2.studyfetch.com 8 2026-04-15 2026-08-11
wwwdev2.studyfetch.com 16 2026-04-16 2026-09-29
attribution-v4.studyfetch.com 7 2026-09-17 2026-09-17
*.attribution-v4.studyfetch.com 2 2026-09-17 2026-09-17
attribution-v6.studyfetch.com 5 2026-09-17 2026-09-17
*.attribution-v6.studyfetch.com 2 2026-09-17 2026-09-17
wilsoncc.studyfetch.com 15 2026-04-17 2026-08-30
read.studyfetch.com 4 2026-04-17 2026-08-17
old.studyfetch.com 10 2026-04-15 2026-08-11
mobile-app-prod.studyfetch.com 10 2026-04-15 2026-08-11
data-analyst-sparke.studyfetch.com 15 2026-04-15 2026-08-29
console.studyfetch.com 15 2026-05-09 2026-09-21
staging.studyfetch.com 16 2026-05-21 2026-10-02
studyfetch-api-staging.studyfetch.com 13 2026-05-08 2026-09-23
auth.studyfetch.com 17 2026-05-25 2026-09-21
api.studyfetch.com 11 2026-04-15 2026-09-08
link.studyfetch.com 5 2026-05-12 2026-09-14
internal.studyfetch.com 2 2026-05-16 2026-05-16
api.internal.studyfetch.com 2 2026-05-16 2026-05-16
studyfetch2-8e37b16d.mongo.ondigitalocean.com.studyfetch.com 10 2026-05-15 2026-09-10
studyfetchcdn.studyfetch.com 16 2026-04-16 2026-09-16
login.studyfetch.com 16 2026-04-16 2026-10-01
sparkles-admin.studyfetch.com 5 2026-08-16 2026-08-17
courses-demo.studyfetch.com 12 2026-06-01 2026-09-28
sso.studyfetch.com 19 2026-04-12 2026-10-07
designcenter.studyfetch.com 5 2026-04-24 2026-08-24
jobs.studyfetch.com 11 2026-05-20 2026-09-15
desktop-downloads.studyfetch.com 5 2026-09-27 2026-09-27
embeds.studyfetch.com 15 2026-04-15 2026-09-21
sparkles.studyfetch.com 3 2026-08-16 2026-08-16
courses.studyfetch.com 15 2026-05-17 2026-09-25
staging.courses.studyfetch.com 5 2026-05-02 2026-09-02
lti-integrations.studyfetch.com 10 2026-04-15 2026-08-11
creators.studyfetch.com 17 2026-05-13 2026-09-25
components.studyfetch.com 15 2026-05-09 2026-09-23
learnfun-scripts.studyfetch.com 16 2026-04-15 2026-08-23
status.studyfetch.com 4 2026-04-17 2026-08-19
bot.studyfetch.com 13 2026-04-30 2026-09-13
bidbot.studyfetch.com 2 2026-07-04 2026-07-04
moodle-test.studyfetch.com 19 2026-06-04 2026-10-01
www.moodle-test.studyfetch.com 2 2026-06-04 2026-06-04
trust.studyfetch.com 6 2026-05-08 2026-09-03
dev.studyfetch.com 19 2026-05-21 2026-10-02
wwwdev.studyfetch.com 11 2026-04-15 2026-09-05
www.studyfetch.com 12 2026-04-15 2026-08-22
ai-literacy.studyfetch.com 11 2026-07-23 2026-09-23
expert-verify.studyfetch.com 5 2026-04-23 2026-08-25

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