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) · 423 ms

HostCertsFirst seenLast seenDNS
globalsign.com 5 2025-08-30 2026-09-13 ok
ss-cliapi-upgradetest-01.globalsign.com 1 2026-03-06 2026-03-06 nxdomain
ss-sslapi-upgradetest-01.globalsign.com 1 2026-03-06 2026-03-06 nxdomain
ss-gm-upgradetest-01.globalsign.com 1 2026-03-06 2026-03-06 nxdomain
ss-gas-upgradetest-01.globalsign.com 1 2026-03-06 2026-03-06 nxdomain
ctl1.ss-gas-upgradetest-01.globalsign.com 1 2026-03-06 2026-03-06 nxdomain
api01.globalsign.com 3 2026-04-06 2026-10-05 ok
ssif1.globalsign.com 3 2025-10-17 2026-09-03 ok
gccdirect1.globalsign.com 1 2026-04-28 2026-04-28 ok
jcandirect1.globalsign.com 3 2026-02-10 2026-08-21 ok
api02.globalsign.com 3 2026-04-06 2026-10-05 ok
jp-timestamp-stg-p2.globalsign.com 2 2026-09-18 2026-09-18 ok
jp-timestamp-p2.globalsign.com 1 2026-09-18 2026-09-18 nxdomain
gccdirect2.globalsign.com 1 2026-04-28 2026-04-28 ok
jcandirect2.globalsign.com 3 2026-02-10 2026-08-21 ok
mn-en-st2.globalsign.com 3 2025-06-09 2026-06-08 nxdomain
gccdirect3.globalsign.com 1 2026-09-08 2026-09-08 nxdomain
monitoring.hvca.globalsign.com 5 2026-03-18 2026-09-07 nxdomain
emea.api.hvca.globalsign.com 4 2026-02-10 2026-09-08 ok
stg-emea.api.hvca.globalsign.com 2 2025-10-30 2026-06-03 ok
logs.hvca.globalsign.com 5 2026-03-18 2026-09-07 nxdomain
management.hvca.globalsign.com 5 2026-03-18 2026-09-07 nxdomain
media.globalsign.com 8 2026-04-14 2026-08-11 ok
ra.globalsign.com 2 2026-03-06 2026-08-21 ok
stg-ra.globalsign.com 4 2025-06-09 2026-07-29 nxdomain
atom-ra.globalsign.com 1 2025-10-06 2025-10-06 nxdomain
emea.api.hva.globalsign.com 1 2025-12-03 2025-12-03 nxdomain
gcc.globalsign.com 3 2026-04-06 2026-10-05 ok
stg-gcc.globalsign.com 4 2025-06-09 2026-07-29 ok
ctl1.stg-gcc.globalsign.com 4 2025-06-09 2026-07-29 ok
ctl2.stg-gcc.globalsign.com 4 2025-06-09 2026-07-29 ok
test-gcc.globalsign.com 4 2025-06-09 2026-07-29 ok
ctl1.test-gcc.globalsign.com 4 2025-06-09 2026-07-29 ok
ctl1.dev-gcc.globalsign.com 4 2025-06-09 2026-07-29 nxdomain
jptsa-sdc.globalsign.com 1 2026-06-26 2026-06-26 ok
jpinf-sdc.globalsign.com 1 2026-04-02 2026-04-02 ok
jpsdc.globalsign.com 2 2026-01-07 2026-01-08 ok
vmc.globalsign.com 3 2025-11-09 2026-09-03 ok
documentupload.globalsign.com 2 2025-10-07 2025-10-08 ok
compliance.globalsign.com 11 2026-04-18 2026-08-14 ok
ma.edge.globalsign.com 4 2025-09-12 2026-09-16 ok
est.edge.globalsign.com 1 2025-11-24 2025-11-24 ok
*.est.edge.globalsign.com 1 2025-11-24 2025-11-24 —
college.globalsign.com 3 2025-10-17 2026-09-03 ok
profile.globalsign.com 3 2025-10-17 2026-09-03 ok
stg-pre.globalsign.com 4 2025-06-09 2026-07-29 ok
ctl1.stg-pre.globalsign.com 4 2025-06-09 2026-07-29 ok
secure.globalsign.com 6 2025-10-17 2026-09-08 ok
cygnature.globalsign.com 4 2025-06-21 2026-07-17 ok
api.cygnature.globalsign.com 3 2025-07-13 2026-07-17 ok
monitoring.hvca.staging.globalsign.com 6 2025-08-28 2026-06-03 nxdomain
approval.hvca.staging.globalsign.com 1 2026-06-03 2026-06-03 ok
management.hvca.staging.globalsign.com 5 2025-08-28 2026-06-03 nxdomain
cdn-monitoring-poc.staging.globalsign.com 1 2026-04-17 2026-04-17 ok
ma.edge.staging.globalsign.com 2 2025-06-18 2026-07-06 ok
est.edge.staging.globalsign.com 2 2025-06-18 2026-07-06 ok
tsp.staging.globalsign.com 3 2025-07-14 2026-07-21 ok
atlas.staging.globalsign.com 4 2025-08-20 2026-09-01 ok
emea.acme.atlas.staging.globalsign.com 2 2025-11-06 2025-12-15 ok
internal-api.atlas.staging.globalsign.com 3 2026-04-08 2026-10-05 ok
bssapi.atlas.staging.globalsign.com 1 2025-06-16 2025-06-16 ok
timestamp.atlas.staging.globalsign.com 2 2025-12-15 2025-12-15 ok
sbx1.oss.atlas.staging.globalsign.com 2 2025-11-07 2025-11-07 ok
sbx2.oss.atlas.staging.globalsign.com 2 2025-11-07 2025-11-07 ok
sbx3.oss.atlas.staging.globalsign.com 2 2025-11-07 2025-11-07 ok
sbx4.oss.atlas.staging.globalsign.com 2 2025-11-07 2025-11-07 ok
emea.api.dss.staging.globalsign.com 1 2026-06-03 2026-06-03 ok
emea.mobile.qss.staging.globalsign.com 1 2025-07-14 2025-07-14 nxdomain
emea.api.qss.staging.globalsign.com 1 2026-06-03 2026-06-03 nxdomain
valid.r3.roots.staging.globalsign.com 2 2025-07-14 2026-07-21 ok
ra.atlas.it.staging.globalsign.com 2 2025-08-28 2025-10-30 ok
monitoring.atlas.it.staging.globalsign.com 2 2025-12-15 2025-12-15 ok
docusign.atlas.it.staging.globalsign.com 3 2025-08-28 2025-10-30 ok
dashboards.atlas.it.staging.globalsign.com 2 2025-12-15 2025-12-15 ok
logs.atlas.it.staging.globalsign.com 2 2025-12-15 2025-12-15 ok
emea.api.inventory.staging.globalsign.com 2 2025-11-06 2025-12-15 ok
*.staging.ctlog.globalsign.com 1 2026-09-30 2026-09-30 —
*.submit.staging.ctlog.globalsign.com 1 2026-09-30 2026-09-30 —
jp-timestamp-stg.globalsign.com 1 2025-09-11 2025-09-11 ok
search.globalsign.com 1 2025-12-26 2025-12-26 ok
th.globalsign.com 3 2025-08-30 2026-09-11 ok
edi.globalsign.com 2 2025-10-17 2026-09-03 nxdomain
api.globalsign.com 3 2026-04-06 2026-10-05 nxdomain
sslcheck.globalsign.com 2 2025-10-17 2026-09-03 nxdomain
hk.globalsign.com 3 2025-08-30 2026-09-11 ok
seal.globalsign.com 3 2025-10-17 2026-09-03 ok
social.globalsign.com 3 2026-06-11 2026-08-16 ok
password.internal.globalsign.com 6 2025-08-09 2026-08-20 ok
enterpriseregistration.internal.globalsign.com 1 2026-02-01 2026-02-01 ok
sts.internal.globalsign.com 1 2026-02-01 2026-02-01 nxdomain
intranet.internal.globalsign.com 1 2025-06-12 2025-06-12 nxdomain
support.internal.globalsign.com 1 2025-10-22 2025-10-22 ok
approval.globalsign.com 5 2026-02-10 2026-09-08 ok
jcan-enroll.globalsign.com 2 2026-04-28 2026-08-21 ok
staging.jcan-enroll.globalsign.com 1 2026-04-28 2026-04-28 ok
crl.globalsign.com 2 2025-10-17 2026-09-03 ok
system.globalsign.com 5 2025-10-17 2026-10-05 ok
ctl1.system.globalsign.com 5 2025-10-17 2026-10-05 ok
ctl2.system.globalsign.com 5 2025-10-17 2026-10-05 ok
directsystem.globalsign.com 3 2026-04-06 2026-10-05 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/globalsign.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/globalsign.com.