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.

48 hosts · 296 ms

HostCertsFirst seenLast seenDNS
jensen-group.com 11 2025-07-10 2026-09-07 servfail
*.jensen-group.com 6 2025-07-10 2026-09-07 —
jpp2.0.jensen-group.com 2 2026-02-24 2026-06-16 ok
eusvn01.jensen-group.com 1 2025-12-06 2025-12-06 nxdomain
www.eusvn01.jensen-group.com 1 2025-12-06 2025-12-06 nxdomain
enter2.jensen-group.com 2 2026-02-14 2026-07-07 ok
it2.jensen-group.com 1 2026-03-10 2026-03-10 nxdomain
internal.mezcada.jensen-group.com 3 2026-06-01 2026-09-27 ok
old.jensen-group.com 4 2026-04-15 2026-08-13 ok
home.jensen-group.com 2 2026-03-11 2026-07-20 ok
jitlite.jensen-group.com 4 2026-04-20 2026-08-15 ok
apply-for-ai.jensen-group.com 2 2026-04-07 2026-07-30 ok
jensenai.jensen-group.com 2 2026-02-25 2026-06-17 ok
home-portal-api.jensen-group.com 2 2026-03-11 2026-07-04 ok
it-portal-api.jensen-group.com 1 2026-03-10 2026-03-10 nxdomain
enter-api.jensen-group.com 2 2026-03-02 2026-06-26 ok
email.jensen-group.com 26 2026-05-04 2026-09-20 servfail
*.email.jensen-group.com 16 2026-05-04 2026-09-20 —
scim.jensen-group.com 3 2026-06-02 2026-08-04 ok
vpn-cn.jensen-group.com 9 2025-06-23 2026-08-03 ok
www.vpn-cn.jensen-group.com 9 2025-06-23 2026-08-03 nxdomain
cdn.jensen-group.com 1 2026-05-25 2026-05-25 ok
showhow3-studio.jensen-group.com 5 2026-05-07 2026-08-26 ok
shop.jensen-group.com 4 2026-06-06 2026-10-04 ok
cdn-shop.jensen-group.com 1 2026-05-25 2026-05-25 ok
ftp.jensen-group.com 1 2025-10-06 2025-10-06 ok
www.ftp.jensen-group.com 1 2025-10-06 2025-10-06 nxdomain
enter.jensen-group.com 2 2026-02-23 2026-07-13 ok
translator.jensen-group.com 2 2026-02-24 2026-06-16 ok
ideas.jensen-group.com 5 2026-05-28 2026-09-30 ok
updates.jensen-group.com 25 2026-05-03 2026-09-23 ok
*.updates.jensen-group.com 12 2026-05-03 2026-09-23 —
jenassist-azure-us.jensen-group.com 2 2026-05-15 2026-06-23 ok
www.jenassist-azure-us.jensen-group.com 2 2026-05-15 2026-06-23 nxdomain
ict-status.jensen-group.com 5 2026-05-28 2026-09-25 ok
jennet.jensen-group.com 3 2026-05-07 2026-09-17 ok
oldjennet.jensen-group.com 5 2026-04-26 2026-08-25 ok
jpplight.jensen-group.com 2 2026-02-27 2026-06-20 ok
it.jensen-group.com 4 2026-01-12 2026-08-12 ok
jpp2-test.jensen-group.com 2 2026-02-27 2026-06-20 ok
jpplight-test.jensen-group.com 2 2026-02-27 2026-06-20 ok
jenassist-azure-eu.jensen-group.com 4 2025-09-10 2026-08-26 ok
www.jenassist-azure-eu.jensen-group.com 4 2025-09-10 2026-08-26 nxdomain
jpp2-dev.jensen-group.com 2 2026-02-27 2026-06-20 ok
new.jensen-group.com 4 2026-04-11 2026-08-09 ok
www.jensen-group.com 5 2026-05-09 2026-09-06 ok
mylaundry.jensen-group.com 1 2025-09-26 2025-09-26 nxdomain
www.mylaundry.jensen-group.com 1 2025-09-26 2025-09-26 nxdomain

Programmatic access, with DNS A records: API GET /v1/hosts/jensen-group.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/jensen-group.com.