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.

71 hosts · 383 ms

HostCertsFirst seenLast seenDNS
zs.com 13 2025-09-22 2026-06-02 ok
*.zs.com 4 2025-12-26 2026-01-06 —
zsvpn-asia01.zs.com 6 2025-09-20 2026-08-31 ok
zsvpn-na01.zs.com 5 2025-09-20 2026-07-20 ok
zsvpn-pune01.zs.com 6 2025-09-20 2026-08-12 ok
zscmg01.zs.com 1 2026-01-07 2026-01-07 ok
zsvpn-delhi01.zs.com 5 2025-09-20 2026-07-20 ok
performancedr01.zs.com 3 2026-02-13 2026-04-18 nxdomain
investapidr01.zs.com 8 2026-02-13 2026-07-08 ok
zsvpn-eu01.zs.com 5 2025-09-20 2026-07-20 ok
ar-ba-teams-sbc1.zs.com 2 2025-08-08 2026-07-09 ok
in-no-teams-sbc1.zs.com 2 2025-08-08 2026-07-09 ok
jp-tyo-teams-sbc1.zs.com 2 2025-08-08 2026-07-09 ok
jp-kix-teams-sbc1.zs.com 2 2025-08-08 2026-07-09 ok
ftp1.zs.com 1 2025-10-16 2025-10-16 ok
voicezs1.zs.com 5 2026-05-11 2026-09-24 ok
zsvpn-na02.zs.com 5 2025-09-20 2026-07-20 ok
in-del-teams-sbc2.zs.com 2 2025-08-08 2026-07-09 ok
in-blr-teams-sbc2.zs.com 2 2025-08-08 2026-07-09 ok
in-pu-teams-sbc2.zs.com 2 2025-08-08 2026-07-09 ok
ftp2.zs.com 1 2025-10-16 2025-10-16 ok
pffa.zs.com 2 2025-12-22 2025-12-30 nxdomain
zsap-qa.zs.com 4 2025-07-07 2026-08-24 ok
*.qa.zs.com 2 2025-09-04 2026-08-04 —
pdcoachingweb02.qa.zs.com 1 2026-02-10 2026-02-10 ok
pdcoachingweb.qa.zs.com 2 2026-04-05 2026-09-05 ok
investapi.pdcoach.qa.zs.com 3 2026-04-06 2026-09-06 ok
investapi.qa.zs.com 2 2025-08-06 2026-07-07 ok
pms.qa.zs.com 3 2025-08-06 2026-09-01 ok
investapi.pdc.zs.com 2 2025-06-26 2026-05-27 ok
zs-prod-coaching-fileupload.zs.com 2 2025-08-11 2026-07-12 nxdomain
hybrid.zs.com 4 2025-10-20 2026-09-20 nodata
wildcard.zs.com 2 2026-01-06 2026-01-06 nxdomain
dashboard.zs.com 4 2026-04-16 2026-09-09 ok
mycloud.zs.com 3 2026-03-12 2026-08-12 nxdomain
zspace.zs.com 1 2025-12-09 2025-12-09 nxdomain
app-zspace.zs.com 1 2025-12-09 2025-12-09 nxdomain
performance.zs.com 4 2025-09-02 2026-08-03 ok
engage.zs.com 3 2026-06-13 2026-08-22 ok
tecshare.zs.com 3 2025-10-24 2026-09-24 ok
zsprize.zs.com 3 2025-06-30 2026-07-21 ok
pdcoaching.zs.com 2 2026-04-04 2026-09-04 ok
mylearning.zs.com 3 2026-04-15 2026-09-15 ok
pffa-api.zs.com 2 2025-12-22 2025-12-30 nxdomain
investapi.zs.com 4 2025-09-02 2026-09-04 ok
click.zs.com 7 2026-05-18 2026-09-14 ok
zsexpertpanel.zs.com 5 2026-04-25 2026-08-23 ok
mail.zs.com 4 2025-10-20 2026-09-20 ok
zcrm.zs.com 9 2025-09-23 2026-06-02 ok
atm.zs.com 10 2025-09-22 2026-06-02 ok
www.zaidyn.zs.com 4 2026-04-30 2026-06-02 ok
info.zs.com 3 2025-06-30 2026-07-21 nxdomain
lp.zs.com 10 2026-05-18 2026-09-13 ok
autodiscover.zs.com 4 2025-10-20 2026-09-20 ok
investapi.psr.zs.com 1 2026-01-02 2026-01-02 ok
pms.psr.zs.com 1 2025-12-21 2025-12-21 ok
jobs.zs.com 11 2026-04-10 2026-09-25 ok
www.jobs.zs.com 11 2026-04-10 2026-09-25 ok
links.zs.com 5 2026-06-16 2026-08-18 ok
gems.zs.com 2 2025-08-14 2026-07-15 nxdomain
assets.zs.com 5 2025-07-22 2026-08-03 ok
lists.zs.com 5 2026-05-12 2026-09-08 ok
voicezs.zs.com 5 2026-05-30 2026-09-28 ok
*.uat.zs.com 2 2025-09-04 2026-08-04 —
investapi.pdc.uat.zs.com 2 2025-06-27 2026-05-28 ok
investapi.uat.zs.com 2 2025-08-25 2026-07-26 ok
pms.uat.zs.com 2 2025-08-25 2026-07-26 ok
zsvpn-test.zs.com 1 2026-08-12 2026-08-12 nxdomain
subscription-list.zs.com 3 2026-05-12 2026-09-24 ok
www.zs.com 10 2025-09-22 2026-06-02 ok
origin01-www.zs.com 2 2025-06-30 2026-05-31 ok

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