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) · 465 ms

HostCertsFirst seenLast seenDNS
gensler.com 44 2025-07-09 2026-10-07 ok
*.gensler.com 44 2025-07-09 2026-10-07 —
dev2-static1.gensler.com 3 2026-06-08 2026-09-06 ok
dev3-static1.gensler.com 3 2026-06-08 2026-09-06 ok
dev-static1.gensler.com 3 2026-06-08 2026-09-06 ok
dev2-static2.gensler.com 3 2026-06-08 2026-09-06 ok
dev3-static2.gensler.com 3 2026-06-08 2026-09-06 ok
dev-static2.gensler.com 3 2026-06-08 2026-09-06 ok
dev2.gensler.com 3 2026-06-08 2026-09-06 ok
dev3.gensler.com 3 2026-06-08 2026-09-06 ok
www3.gensler.com 18 2026-05-14 2026-09-09 ok
gp-ba.gensler.com 10 2026-03-24 2026-09-28 ok
gp-az-sea.gensler.com 10 2026-03-24 2026-09-28 ok
gp-la.gensler.com 10 2026-03-24 2026-09-28 ok
gp-ma.gensler.com 10 2026-03-24 2026-09-28 ok
gp-china.gensler.com 10 2026-03-24 2026-09-28 ok
gp-oa.gensler.com 10 2026-03-24 2026-09-28 ok
gp-mb.gensler.com 2 2026-09-11 2026-09-28 nodata
gp-nb.gensler.com 10 2026-03-24 2026-09-28 ok
gp-apac.gensler.com 10 2026-03-24 2026-09-28 ok
be-teams-sbc.gensler.com 1 2026-02-03 2026-02-03 ok
gp-dc.gensler.com 10 2026-03-24 2026-09-28 ok
gp-nc.gensler.com 10 2026-03-24 2026-09-28 ok
gp-az-frc.gensler.com 10 2026-03-24 2026-09-28 ok
gp-az-ussc.gensler.com 10 2026-03-24 2026-09-28 nodata
dtfabricworkload.gensler.com 1 2026-07-10 2026-07-10 ok
genslerappspod.gensler.com 1 2026-08-28 2026-08-28 nxdomain
ops-dashboard.gensler.com 1 2026-08-28 2026-08-28 ok
gp-sd.gensler.com 10 2026-03-24 2026-09-28 ok
dxd.gensler.com 33 2026-02-04 2026-09-30 ok
*.dxd.gensler.com 21 2026-06-04 2026-09-30 —
immersive.dxd.gensler.com 1 2026-02-04 2026-02-04 ok
platform-api.dxd.gensler.com 3 2025-09-24 2026-08-25 nodata
platform-admin.dxd.gensler.com 3 2025-09-24 2026-08-25 nodata
standards.dxd.gensler.com 11 2026-05-27 2026-09-22 ok
*.standards.dxd.gensler.com 11 2026-05-27 2026-09-22 —
platform-files.dxd.gensler.com 1 2025-11-23 2025-11-23 nodata
ext.dxd.gensler.com 26 2026-05-27 2026-09-30 nodata
*.ext.dxd.gensler.com 23 2026-06-04 2026-09-30 —
test.ext.dxd.gensler.com 3 2026-05-27 2026-05-27 nxdomain
*.test.ext.dxd.gensler.com 3 2026-05-27 2026-05-27 —
gp-be.gensler.com 10 2026-03-24 2026-09-28 ok
workspace.gensler.com 2 2026-02-06 2026-07-01 ok
infoexchange.gensler.com 5 2026-04-30 2026-08-20 ok
forge.gensler.com 5 2026-05-27 2026-09-16 ok
acme.gensler.com 19 2026-04-12 2026-10-06 ok
*.acme.gensler.com 19 2026-04-12 2026-10-06 —
macphonehome.gensler.com 1 2026-02-01 2026-02-01 ok
pcphonehome.gensler.com 1 2026-02-05 2026-02-05 ok
gp-europe.gensler.com 10 2026-03-24 2026-09-28 ok
gp-bangalore.gensler.com 10 2026-03-24 2026-09-28 ok
gp-se.gensler.com 10 2026-03-24 2026-09-28 ok
timberplus-supabase.gensler.com 3 2026-07-24 2026-09-28 ok
gp-az-use.gensler.com 10 2026-03-24 2026-09-28 ok
lighthouse.gensler.com 5 2026-04-29 2026-08-28 ok
gp-sf.gensler.com 10 2026-03-24 2026-09-28 ok
gp-bh.gensler.com 10 2026-03-24 2026-09-28 ok
gp-ch.gensler.com 10 2026-03-24 2026-09-28 ok
gp-ph.gensler.com 10 2026-03-24 2026-09-28 ok
datamesh.gensler.com 5 2026-05-03 2026-08-31 ok
navigator-datamesh.gensler.com 9 2026-05-13 2026-09-10 ok
tcp.datamesh.gensler.com 5 2026-05-03 2026-08-31 ok
pingauth.gensler.com 5 2026-03-04 2026-09-15 ok
gp-mi.gensler.com 10 2026-03-24 2026-09-28 ok
gri.gensler.com 20 2026-06-04 2026-10-01 ok
*.gri.gensler.com 20 2026-06-04 2026-10-01 —
cocreate.gri.gensler.com 2 2026-08-28 2026-08-28 ok
urbanintel.gri.gensler.com 2 2026-08-28 2026-08-28 ok
gp-si.gensler.com 10 2026-03-24 2026-09-28 ok
gp-nj.gensler.com 10 2026-03-24 2026-09-28 ok
gp-sj.gensler.com 10 2026-03-24 2026-09-28 ok
gp-hk.gensler.com 10 2026-03-24 2026-09-28 ok
yealink.gensler.com 1 2025-08-06 2025-08-06 nxdomain
gspark.gensler.com 4 2026-02-20 2026-10-04 ok
beta-gspark.gensler.com 3 2026-02-20 2026-10-04 ok
dev-gspark.gensler.com 3 2026-02-20 2026-10-04 ok
api.gspark.gensler.com 4 2026-02-19 2026-10-03 ok
gp-portal.gensler.com 6 2026-03-24 2026-09-28 ok
captiveportal.gensler.com 1 2026-02-10 2026-02-10 nxdomain
biportal.gensler.com 3 2025-07-10 2026-07-22 ok
testwsportal.gensler.com 2 2026-02-11 2026-07-06 ok
gp-dl.gensler.com 10 2026-03-24 2026-09-28 ok
gp-phl.gensler.com 10 2026-03-24 2026-09-28 ok
gp-rl.gensler.com 10 2026-03-24 2026-09-28 ok
dcr-ntl.gensler.com 2 2026-02-04 2026-05-28 ok
dev.dcr-ntl.gensler.com 2 2026-02-08 2026-06-01 ok
gp-tm.gensler.com 10 2026-03-24 2026-09-28 ok
gp-az-san.gensler.com 2 2026-09-11 2026-09-28 nodata
gp-dn.gensler.com 10 2026-03-24 2026-09-28 ok
gp-az-uaen.gensler.com 10 2026-03-24 2026-09-28 ok
gp-hn.gensler.com 10 2026-03-24 2026-09-28 ok
admin.gensler.com 4 2026-04-12 2026-09-06 ok
dev2-admin.gensler.com 3 2026-06-08 2026-09-06 ok
dev3-admin.gensler.com 3 2026-06-08 2026-09-06 ok
poc-admin.gensler.com 4 2026-04-12 2026-09-06 ok
stage-admin.gensler.com 4 2026-04-12 2026-09-06 ok
dev-admin.gensler.com 3 2026-06-08 2026-09-06 ok
gp-mn.gensler.com 10 2026-03-24 2026-09-28 ok
diffusion.gensler.com 4 2026-04-12 2026-08-10 nodata
dev-diffusion.gensler.com 2 2026-05-13 2026-05-13 servfail

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/gensler.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/gensler.com.