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 · 315 ms

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HostCertsFirst seenLast seen
docsity.com 1 2026-02-04 2026-02-04
*.docsity.com 2 2026-02-04 2026-08-12
img.send2.docsity.com 8 2026-05-07 2026-09-02
r.send2.docsity.com 3 2026-06-18 2026-09-06
naba.docsity.com 12 2026-04-26 2026-08-22
lumsa.docsity.com 16 2026-05-21 2026-09-16
img.send.docsity.com 8 2026-04-26 2026-08-23
r.send.docsity.com 3 2026-06-20 2026-09-08
services.cloud.docsity.com 6 2026-05-23 2026-10-12
staging.docsity.com 11 2026-04-18 2026-10-06
*.staging.docsity.com 4 2026-04-18 2026-10-06
*.licensing.docsity.com 2 2026-08-12 2026-08-12
api.licensing.docsity.com 2 2026-08-12 2026-08-12
vilniustech.docsity.com 14 2026-06-14 2026-10-10
cospunimi.docsity.com 16 2026-05-07 2026-09-03
bocconi.docsity.com 14 2026-06-12 2026-10-09
weuni.docsity.com 11 2025-12-29 2026-09-06
www.weuni.docsity.com 1 2025-12-29 2025-12-29
panieri.docsity.com 1 2026-10-05 2026-10-05
email.docsity.com 1 2026-02-18 2026-02-18
annoallestero.docsity.com 16 2026-05-11 2026-09-06
app.docsity.com 9 2026-06-17 2026-10-14
ftp.docsity.com 12 2026-04-22 2026-08-19
bachelor.docsity.com 13 2026-06-06 2026-10-02
kaunas.docsity.com 14 2026-04-25 2026-08-21
masters.docsity.com 23 2026-06-04 2026-09-30
assets.docsity.com 2 2025-07-25 2026-06-25
recruit.docsity.com 20 2026-05-17 2026-09-12
copilot.docsity.com 1 2026-10-05 2026-10-05
support.docsity.com 5 2026-04-21 2026-08-19
test.docsity.com 2 2026-04-25 2026-09-25
*.test.docsity.com 2 2026-04-25 2026-09-25
test5.test.docsity.com 3 2025-10-14 2026-09-14
*.test5.test.docsity.com 2 2026-05-07 2026-10-07
test6.test.docsity.com 3 2025-10-14 2026-09-14
*.test6.test.docsity.com 2 2025-10-11 2026-09-11
b2b.test.docsity.com 1 2026-02-04 2026-02-04
*.b2b.test.docsity.com 1 2026-02-04 2026-02-04
epiche.test.docsity.com 3 2025-11-08 2026-10-08
*.epiche.test.docsity.com 3 2025-11-08 2026-10-08
tech.test.docsity.com 3 2025-11-08 2026-10-08
*.tech.test.docsity.com 3 2025-11-08 2026-10-08
conversion.test.docsity.com 3 2025-11-08 2026-10-08
*.conversion.test.docsity.com 3 2025-11-08 2026-10-08
video.test.docsity.com 1 2025-12-31 2025-12-31
*.video.test.docsity.com 1 2025-12-31 2025-12-31
www.docsity.com 15 2026-04-22 2026-10-16
lumsa.openday.docsity.com 8 2026-05-03 2026-08-30
survey.docsity.com 4 2026-05-25 2026-08-22

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