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 · 321 ms

HostCertsFirst seenLast seenDNS
lifecard.co.jp 3 2025-10-21 2026-07-13 ok
*.lifecard.co.jp 11 2025-10-21 2026-07-23 —
ns1.lifecard.co.jp 1 2025-12-16 2025-12-16 ok
www3.lifecard.co.jp 2 2025-06-30 2026-07-02 ok
onelink.vpc.lifecard.co.jp 22 2026-04-17 2026-08-13 ok
support.vpc.lifecard.co.jp 16 2026-05-15 2026-09-11 ok
tracking.lifecard.co.jp 5 2026-06-07 2026-10-03 ok
search.lifecard.co.jp 3 2026-06-02 2026-08-02 ok
quick.lifecard.co.jp 2 2025-09-22 2026-08-23 ok
*.quick.lifecard.co.jp 2 2025-09-22 2026-08-23 —
onelink.lifecard.co.jp 20 2026-04-11 2026-10-05 ok
*.bpm.lifecard.co.jp 5 2026-03-11 2026-09-07 —
sgtm.lifecard.co.jp 3 2026-05-21 2026-09-07 ok
vpclogin.lifecard.co.jp 1 2025-12-10 2025-12-10 ok
dev2-vpclogin.lifecard.co.jp 1 2025-12-24 2025-12-24 ok
stg-vpclogin.lifecard.co.jp 2 2025-09-11 2026-08-12 ok
dev-vpclogin.lifecard.co.jp 3 2025-09-09 2026-08-10 ok
inquiry-pro.lifecard.co.jp 6 2025-07-16 2026-07-05 ok
*.inquiry-pro.lifecard.co.jp 6 2025-07-16 2026-07-05 —
stg.inquiry-pro.lifecard.co.jp 6 2025-07-16 2026-06-17 ok
*.stg.inquiry-pro.lifecard.co.jp 6 2025-07-16 2026-06-17 —
admin.inquiry-pro.lifecard.co.jp 4 2025-07-16 2026-06-16 ok
*.admin.inquiry-pro.lifecard.co.jp 4 2025-07-16 2026-06-16 —
stg.admin.inquiry-pro.lifecard.co.jp 4 2025-07-16 2026-06-16 ok
*.stg.admin.inquiry-pro.lifecard.co.jp 4 2025-07-16 2026-06-16 —
dev.admin.inquiry-pro.lifecard.co.jp 4 2025-07-16 2026-06-16 ok
*.dev.admin.inquiry-pro.lifecard.co.jp 4 2025-07-16 2026-06-16 —
dev.inquiry-pro.lifecard.co.jp 6 2025-07-16 2026-06-16 ok
*.dev.inquiry-pro.lifecard.co.jp 6 2025-07-16 2026-06-16 —
lp.lifecard.co.jp 5 2026-04-21 2026-09-30 ok
help.lifecard.co.jp 16 2026-05-15 2026-09-11 ok
vpcmanager.lifecard.co.jp 2 2025-08-08 2026-08-17 ok
dev2-vpcmanager.lifecard.co.jp 4 2026-05-06 2026-10-06 ok
stg-vpcmanager.lifecard.co.jp 2 2025-10-07 2026-09-07 ok
dev-vpcmanager.lifecard.co.jp 2 2025-06-23 2026-05-24 ok
paxes.lifecard.co.jp 2 2025-11-20 2025-11-20 ok
*.paxes.lifecard.co.jp 2 2025-11-20 2025-11-20 —
iconnect.lifecard.co.jp 6 2026-02-19 2026-07-11 ok
*.iconnect.lifecard.co.jp 6 2026-02-19 2026-07-11 —
stg.iconnect.lifecard.co.jp 3 2026-01-13 2026-01-13 ok
*.stg.iconnect.lifecard.co.jp 3 2026-01-13 2026-01-13 —
crm.iconnect.lifecard.co.jp 4 2026-02-19 2026-07-10 ok
*.crm.iconnect.lifecard.co.jp 4 2026-02-19 2026-07-10 —
stg.crm.iconnect.lifecard.co.jp 2 2026-01-13 2026-01-13 ok
*.stg.crm.iconnect.lifecard.co.jp 2 2026-01-13 2026-01-13 —
dev.crm.iconnect.lifecard.co.jp 2 2026-01-07 2026-01-09 ok
*.dev.crm.iconnect.lifecard.co.jp 2 2026-01-07 2026-01-09 —
dev.iconnect.lifecard.co.jp 3 2026-01-07 2026-01-09 ok
*.dev.iconnect.lifecard.co.jp 3 2026-01-07 2026-01-09 —
ps-credit.lifecard.co.jp 13 2026-08-29 2026-08-30 ok
stg.ps-credit.lifecard.co.jp 17 2026-07-27 2026-08-12 ok
demo-cl.ps-credit.lifecard.co.jp 2 2026-07-10 2026-07-27 ok
*.demo-cl.ps-credit.lifecard.co.jp 1 2026-07-10 2026-07-10 —
demo-uat.ps-credit.lifecard.co.jp 2 2026-07-10 2026-07-27 ok
*.demo-uat.ps-credit.lifecard.co.jp 1 2026-07-10 2026-07-10 —
dev.ps-credit.lifecard.co.jp 3 2026-07-10 2026-07-27 ok
*.dev.ps-credit.lifecard.co.jp 1 2026-07-10 2026-07-10 —
demo-biz.ps-credit.lifecard.co.jp 2 2026-07-10 2026-08-04 ok
*.demo-biz.ps-credit.lifecard.co.jp 1 2026-07-10 2026-07-10 —
paxes-dev.lifecard.co.jp 5 2025-11-19 2025-11-19 ok
*.paxes-dev.lifecard.co.jp 5 2025-11-19 2025-11-19 —

Programmatic access, with DNS A records: API GET /v1/hosts/lifecard.co.jp (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/lifecard.co.jp.