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.

61 hosts · 435 ms

HostCertsFirst seenLast seenDNS
hennge.com 3 2026-04-18 2026-09-18 ok
*.hennge.com 3 2025-07-11 2026-06-10 —
stg2023.hennge.com 2 2025-07-16 2026-06-16 ok
stg-web.hennge.com 1 2025-11-16 2025-11-16 ok
challenge.hennge.com 1 2025-12-15 2025-12-15 ok
auth.challenge.hennge.com 1 2025-12-20 2025-12-20 ok
api.challenge.hennge.com 1 2025-12-15 2025-12-15 ok
prd.ghsynchronizer.challenge.hennge.com 3 2026-04-19 2026-09-19 ok
stg.ghsynchronizer.challenge.hennge.com 3 2026-04-19 2026-09-19 ok
archive.hennge.com 2 2025-09-08 2026-06-18 ok
bsmtpd.archive.hennge.com 9 2026-05-04 2026-10-05 ok
jsmtpd.archive.hennge.com 9 2026-05-04 2026-10-05 ok
nsmtpd.archive.hennge.com 9 2026-05-04 2026-10-05 ok
in.rsmtpd.archive.hennge.com 9 2026-05-04 2026-10-05 ok
out.rsmtpd.archive.hennge.com 9 2026-05-04 2026-10-05 ok
console.archive.hennge.com 3 2026-03-12 2026-07-28 ok
management-api.internal.archive.hennge.com 2 2026-04-01 2026-09-01 ok
mcp.archive.hennge.com 1 2026-07-08 2026-07-08 ok
auth.hennge.com 5 2025-11-17 2026-09-09 ok
*.auth.hennge.com 7 2025-11-17 2026-09-09 —
*.hde-public.auth.hennge.com 1 2026-07-22 2026-07-22 —
hld.auth.hennge.com 1 2026-09-01 2026-09-01 ok
api.hld.auth.hennge.com 1 2026-09-01 2026-09-01 —
password.auth.hennge.com 2 2026-03-13 2026-08-13 ok
tenant-admin-api-0313.password.auth.hennge.com 2 2026-03-14 2026-08-14 ok
a.password.auth.hennge.com 2 2026-03-14 2026-08-14 ok
img.password.auth.hennge.com 2 2026-03-14 2026-08-14 ok
api.password.auth.hennge.com 2 2026-03-14 2026-08-14 ok
*.hde.auth.hennge.com 1 2026-07-22 2026-07-22 —
trust.auth.hennge.com 5 2026-04-14 2026-09-14 ok
supview.auth.hennge.com 2 2026-04-06 2026-09-06 ok
hld-new.auth.hennge.com 2 2026-08-27 2026-08-27 ok
api.hld-new.auth.hennge.com 2 2026-08-27 2026-08-27 nxdomain
chameleon.hennge.com 1 2026-02-03 2026-02-03 ok
bc-video.hennge.com 1 2026-01-22 2026-01-22 ok
go.hennge.com 20 2026-05-08 2026-09-03 ok
transfer.hennge.com 1 2025-11-06 2025-11-06 ok
filev2.transfer.hennge.com 2 2025-10-01 2026-09-01 ok
download.transfer.hennge.com 1 2025-11-06 2025-11-06 ok
upload.transfer.hennge.com 2 2025-10-15 2026-09-15 ok
api.transfer.hennge.com 2 2025-08-20 2026-07-21 ok
api.integration.transfer.hennge.com 1 2025-11-07 2025-11-07 nxdomain
api.lo.transfer.hennge.com 1 2025-11-07 2025-11-07 ok
integration.lo.transfer.hennge.com 2 2025-07-09 2026-06-09 nxdomain
atlantis.lo.transfer.hennge.com 2 2026-03-10 2026-07-26 ok
upload.guest.transfer.hennge.com 1 2025-11-23 2025-11-23 ok
launcher.hennge.com 2 2025-11-06 2025-11-06 ok
*.launcher.hennge.com 1 2025-11-06 2025-11-06 —
flags.launcher.hennge.com 1 2026-06-11 2026-06-11 ok
cameras.hennge.com 1 2026-01-03 2026-01-03 ok
pages.hennge.com 22 2026-02-10 2026-09-03 ok
hed-imgs.hennge.com 2 2025-09-17 2026-08-18 ok
*.hed-imgs.hennge.com 2 2025-09-17 2026-08-18 —
developers.hennge.com 16 2026-04-21 2026-08-18 ok
campus.hennge.com 2 2026-04-08 2026-09-08 ok
recruit.hennge.com 3 2025-09-25 2026-09-02 ok
migration-test-cloudfront.hennge.com 1 2026-01-22 2026-01-22 nxdomain
pages-test.hennge.com 1 2026-02-09 2026-02-09 ok
www.hennge.com 3 2026-04-18 2026-09-18 ok
iit-oidc-rproxy.hennge.com 1 2026-06-17 2026-06-17 ok
iit-saml-rproxy.hennge.com 2 2026-06-17 2026-06-17 ok

Programmatic access, with DNS A records: API GET /v1/hosts/hennge.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/hennge.com.