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.

49 hosts · 330 ms

HostCertsFirst seenLast seenDNS
family.co.jp 31 2025-07-29 2026-09-30 ok
*.family.co.jp 51 2025-06-20 2026-09-30 —
fmnsaw00.family.co.jp 2 2026-05-07 2026-10-07 nodata
fmnsbw00.family.co.jp 2 2026-05-07 2026-10-07 nodata
fmhyaw10.family.co.jp 3 2025-09-09 2026-09-14 nodata
fmhybw10.family.co.jp 3 2025-09-09 2026-09-14 nodata
es-fmsx-prs-SI.family.co.jp 1 2025-12-16 2025-12-16 —
es-fmsx-prs-SO.family.co.jp 1 2025-12-16 2025-12-16 —
es-fmsx-prs-Ha.family.co.jp 1 2025-12-16 2025-12-16 —
la.family.co.jp 3 2025-10-27 2026-09-26 ok
qa.family.co.jp 5 2025-09-25 2026-09-29 ok
es-fmsx-iss-Te.family.co.jp 1 2025-12-16 2025-12-16 —
famimatope.family.co.jp 4 2026-04-20 2026-08-19 ok
store.family.co.jp 5 2026-04-13 2026-09-25 ok
staff.family.co.jp 2 2025-06-23 2026-07-13 ok
wms-internal.family.co.jp 4 2026-05-13 2026-07-01 nodata
*.wms-internal.family.co.jp 4 2026-05-13 2026-07-01 —
es-fmsx-prs-Fm.family.co.jp 1 2025-12-16 2025-12-16 —
form.family.co.jp 1 2025-12-11 2025-12-11 ok
zengin.family.co.jp 3 2025-08-05 2026-08-13 ok
fcinfo.family.co.jp 1 2026-01-27 2026-01-27 ok
shopmap.family.co.jp 3 2026-05-05 2026-08-22 ok
payslip.family.co.jp 2 2025-07-20 2026-06-19 nodata
shop.family.co.jp 3 2026-05-14 2026-08-30 ok
inq.family.co.jp 1 2025-12-16 2025-12-16 nodata
www.inq.family.co.jp 1 2025-12-16 2025-12-16 ok
recruit-engineer.family.co.jp 5 2026-05-13 2026-09-14 ok
es-fmsx-prs-Ot.family.co.jp 1 2025-12-16 2025-12-16 —
famima-print-mgt.family.co.jp 2 2025-10-12 2026-09-12 ok
recruit-student.family.co.jp 5 2026-05-29 2026-09-28 ok
networkprint.family.co.jp 4 2025-08-20 2026-09-28 ok
test-networkprint.family.co.jp 4 2025-08-20 2026-09-28 ok
famima-print-cont.family.co.jp 2 2025-10-12 2026-09-12 ok
famima-print-mgt-test.family.co.jp 2 2025-10-12 2026-09-12 ok
famima-print-cont-test.family.co.jp 2 2025-10-12 2026-09-12 ok
hataraku-test.family.co.jp 2 2026-08-17 2026-08-17 ok
fcinfotest.family.co.jp 1 2025-12-11 2025-12-11 ok
es-fmsx-prs-Yu.family.co.jp 1 2025-12-16 2025-12-16 —
hataraku.family.co.jp 2 2026-08-17 2026-08-17 ok
payslip-dev.family.co.jp 2 2025-06-16 2026-05-16 ok
www.family.co.jp 1 2025-11-23 2025-11-23 ok
famipay.family.co.jp 1 2025-11-21 2025-11-21 ok
*.famipay.family.co.jp 19 2025-07-18 2026-09-28 —
tiss3famipay.family.co.jp 1 2026-02-10 2026-02-10 ok
*.tiss3famipay.family.co.jp 7 2026-02-10 2026-08-18 —
tfamipay.family.co.jp 1 2026-02-10 2026-02-10 ok
*.tfamipay.family.co.jp 3 2026-02-10 2026-02-13 —
tmltfamipay.family.co.jp 1 2026-02-10 2026-02-10 ok
*.tmltfamipay.family.co.jp 5 2026-02-10 2026-07-15 —

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