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.

100 hosts (first page) · 234 ms

HostCertsFirst seenLast seen
siemens.com 4 2026-01-15 2026-06-24
*.siemens.com 2 2025-12-21 2026-05-21
mag8000.siemens.com 1 2026-01-19 2026-01-19
api.mag8000.siemens.com 1 2026-01-12 2026-01-12
docs.api.mag8000.siemens.com 1 2026-01-12 2026-01-12
firmware.production.mag8000.siemens.com 2 2025-06-15 2026-05-16
api.firmware.production.mag8000.siemens.com 2 2025-06-30 2026-05-31
development.mag8000.siemens.com 1 2025-12-23 2025-12-23
qdoniczka.development.mag8000.siemens.com 1 2026-01-05 2026-01-05
firmware.development.mag8000.siemens.com 1 2026-05-11 2026-05-11
api.firmware.development.mag8000.siemens.com 2 2025-06-29 2026-05-30
api.jig.development.mag8000.siemens.com 1 2025-12-30 2025-12-30
api.doni.development.mag8000.siemens.com 4 2025-06-24 2026-05-25
api.development.mag8000.siemens.com 3 2026-04-18 2026-09-18
docs.api.development.mag8000.siemens.com 1 2025-12-27 2025-12-27
api.hik.development.mag8000.siemens.com 2 2025-10-28 2026-09-28
hikel.development.mag8000.siemens.com 1 2026-01-05 2026-01-05
firmware.sun.development.mag8000.siemens.com 2 2025-06-15 2026-05-16
api.firmware.sun.development.mag8000.siemens.com 2 2025-06-19 2026-05-20
api.sun.development.mag8000.siemens.com 1 2026-01-02 2026-01-02
firmware.rav.development.mag8000.siemens.com 3 2025-10-30 2026-09-30
api.firmware.rav.development.mag8000.siemens.com 3 2025-10-30 2026-09-30
api.rav.development.mag8000.siemens.com 2 2025-07-06 2026-06-06
firmware.vy.development.mag8000.siemens.com 1 2026-05-11 2026-05-11
api.firmware.vy.development.mag8000.siemens.com 2 2025-06-16 2026-05-17
test.mag8000.siemens.com 1 2025-12-23 2025-12-23
firmware.test.mag8000.siemens.com 1 2026-05-11 2026-05-11
api.firmware.test.mag8000.siemens.com 2 2025-06-30 2026-05-31
api.test.mag8000.siemens.com 1 2025-12-27 2025-12-27
docs.api.test.mag8000.siemens.com 1 2025-12-27 2025-12-27
reg.20260821-0900.siemens.com 6 2026-08-21 2026-08-21
1reg.20260821-0900.siemens.com 6 2026-08-21 2026-08-21
2reg.20260821-0900.siemens.com 6 2026-08-21 2026-08-21
3reg.20260821-0900.siemens.com 6 2026-08-21 2026-08-21
showroom.sinamics-s210.siemens.com 2 2025-07-28 2026-07-21
*.apps.inblrshcls10.siemens.com 1 2026-03-04 2026-03-04
showroom.sinamics-s220.siemens.com 1 2025-11-18 2025-11-18
*.reg.20260929-1620.siemens.com 2 2026-09-29 2026-09-29
*.apps.inblrshcls20.siemens.com 1 2026-03-04 2026-03-04
*.apps.inblrshcls30.siemens.com 1 2026-03-04 2026-03-04
foss360.siemens.com 2 2025-08-06 2026-08-07
depot360.siemens.com 1 2025-08-13 2025-08-13
*.depot360.siemens.com 1 2025-08-13 2025-08-13
na.depot360.siemens.com 4 2025-09-17 2025-11-04
*.na.depot360.siemens.com 3 2025-09-14 2025-09-17
case.na.depot360.siemens.com 1 2025-10-30 2025-10-30
dashboard.evse.na.depot360.siemens.com 2 2025-06-23 2026-05-24
auth.evse.na.depot360.siemens.com 2 2025-06-23 2026-05-24
cpo.ocpi.evse.na.depot360.siemens.com 2 2025-06-23 2026-05-24
emp.ocpi.evse.na.depot360.siemens.com 2 2025-06-23 2026-05-24
api.cpo.evse.na.depot360.siemens.com 2 2025-06-23 2026-05-24
vcp.evse.na.depot360.siemens.com 2 2025-06-23 2026-05-24
api.vcp.evse.na.depot360.siemens.com 2 2025-06-23 2026-05-24
api.emp.evse.na.depot360.siemens.com 2 2025-06-23 2026-05-24
server.201.ocpp.evse.na.depot360.siemens.com 2 2025-06-18 2026-05-19
server.16.ocpp.evse.na.depot360.siemens.com 2 2025-06-18 2026-05-19
proxy.ocpp.evse.na.depot360.siemens.com 2 2025-06-18 2026-05-19
ftp.evse.na.depot360.siemens.com 1 2026-05-06 2026-05-06
images.evse.na.depot360.siemens.com 1 2025-12-08 2025-12-08
cpo.hubject.evse.na.depot360.siemens.com 2 2025-06-23 2026-05-24
status.depot360.siemens.com 1 2025-08-13 2025-08-13
*.status.depot360.siemens.com 1 2025-08-13 2025-08-13
eu.depot360.siemens.com 2 2025-09-29 2025-11-04
*.eu.depot360.siemens.com 1 2025-09-29 2025-09-29
case.eu.depot360.siemens.com 1 2025-10-30 2025-10-30
dashboard.evse.eu.depot360.siemens.com 3 2025-06-20 2026-05-25
auth.evse.eu.depot360.siemens.com 3 2025-06-20 2026-05-25
cpo.ocpi.evse.eu.depot360.siemens.com 3 2025-06-20 2026-05-25
emp.ocpi.evse.eu.depot360.siemens.com 3 2025-06-20 2026-05-25
api.cpo.evse.eu.depot360.siemens.com 3 2025-06-20 2026-05-25
vcp.evse.eu.depot360.siemens.com 3 2025-06-20 2026-05-25
api.vcp.evse.eu.depot360.siemens.com 3 2025-06-20 2026-05-25
api.emp.evse.eu.depot360.siemens.com 3 2025-06-20 2026-05-25
server.201.ocpp.evse.eu.depot360.siemens.com 3 2025-06-18 2026-05-25
server.16.ocpp.evse.eu.depot360.siemens.com 3 2025-06-18 2026-05-25
proxy.ocpp.evse.eu.depot360.siemens.com 3 2025-06-18 2026-05-25
ftp.evse.eu.depot360.siemens.com 1 2026-05-05 2026-05-05
images.evse.eu.depot360.siemens.com 1 2025-12-08 2025-12-08
cpo.hubject.evse.eu.depot360.siemens.com 3 2025-06-20 2026-05-25
df.eu.depot360.siemens.com 1 2025-10-10 2025-10-10
*.df.eu.depot360.siemens.com 1 2025-10-10 2025-10-10
sw360.siemens.com 2 2025-08-26 2026-08-07
stage.sw360.siemens.com 2 2025-08-26 2026-08-07
dev.sw360.siemens.com 2 2025-08-26 2026-08-07
DEFFMLNWVP301.ad001.siemens.com 1 2026-07-29 2026-07-29
scwid01.20260601.siemens.com 1 2026-06-01 2026-06-01
*.scwid01.20260601.siemens.com 1 2026-06-01 2026-06-01
ACME.ServerRA01.siemens.com 2 2026-09-08 2026-09-08
DCSID01.siemens.com 2 2026-09-24 2026-09-25
acme.serverra01.siemens.com 1 2026-09-10 2026-09-10
*.acme.serverra01.siemens.com 6 2026-09-09 2026-09-16
*.apps.inblrshhub01.siemens.com 1 2026-03-04 2026-03-04
scid01.siemens.com 2 2026-08-19 2026-08-19
scsid01.siemens.com 12 2026-06-15 2026-10-08
scwid01.siemens.com 3 2026-05-18 2026-05-28
*.scwid01.siemens.com 8 2026-05-18 2026-09-29
serverra-acme01.siemens.com 1 2026-09-08 2026-09-08
*.apps.inpunaacls01.siemens.com 1 2026-03-04 2026-03-04
*.apps.inpunccls01.siemens.com 1 2026-03-04 2026-03-04
*.apps.inblrshcls01.siemens.com 1 2026-03-04 2026-03-04

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/siemens.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/siemens.com.