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.

52 hosts · 347 ms

HostCertsFirst seenLast seenDNS
solaseedair.jp 1 2026-10-07 2026-10-07 nodata
*.solaseedair.jp 1 2026-10-07 2026-10-07 —
ssct2.solaseedair.jp 1 2025-08-26 2025-08-26 nxdomain
api-stg3.solaseedair.jp 1 2026-04-08 2026-04-08 ok
solabiz-stg3.solaseedair.jp 1 2026-04-08 2026-04-08 ok
ssct3.solaseedair.jp 1 2026-04-08 2026-04-08 ok
ssc-dev3.solaseedair.jp 1 2025-07-25 2025-07-25 ok
biz-dev3.solaseedair.jp 1 2025-08-19 2025-08-19 ok
api-dev4.solaseedair.jp 1 2026-05-15 2026-05-15 ok
solaca.solaseedair.jp 1 2025-10-23 2025-10-23 ok
t.solaca.solaseedair.jp 1 2025-10-23 2025-10-23 ok
skysea.solaseedair.jp 1 2026-01-06 2026-01-06 ok
spa.solaseedair.jp 1 2026-06-10 2026-06-10 ok
stg.test.spa.solaseedair.jp 3 2026-03-23 2026-10-02 ok
dev.test.spa.solaseedair.jp 3 2025-09-04 2026-10-02 ok
pb.solaseedair.jp 1 2025-10-14 2025-10-14 ok
solatane.solaseedair.jp 7 2026-05-13 2026-09-17 ok
cms.solatane.solaseedair.jp 5 2026-05-13 2026-09-10 ok
www.solatane.solaseedair.jp 7 2026-04-23 2026-09-17 ok
trng.solaseedair.jp 2 2025-09-08 2026-09-11 ok
t.trng.solaseedair.jp 2 2025-09-08 2026-09-11 ok
ssg.solaseedair.jp 1 2025-11-19 2025-11-19 ok
api-stg.solaseedair.jp 1 2025-10-09 2025-10-09 ok
biz-stg.solaseedair.jp 1 2025-10-09 2025-10-09 ok
solabiz-stg.solaseedair.jp 1 2025-10-09 2025-10-09 ok
search.solaseedair.jp 1 2026-03-26 2026-03-26 ok
api.solaseedair.jp 1 2025-10-09 2025-10-09 ok
arigato.waitingroom.solaseedair.jp 3 2026-04-07 2026-09-07 ok
spa-origin.solaseedair.jp 3 2026-03-23 2026-10-02 ok
stg.test.spa-origin.solaseedair.jp 3 2026-03-23 2026-10-02 ok
dev.test.spa-origin.solaseedair.jp 3 2025-10-26 2026-09-26 ok
shop.solaseedair.jp 1 2026-01-08 2026-01-08 ok
faq.solaseedair.jp 1 2026-03-26 2026-03-26 ok
smetrics.solaseedair.jp 4 2025-09-06 2026-09-08 ok
acms.solaseedair.jp 2 2026-10-01 2026-10-01 ok
mail.acms.solaseedair.jp 2 2026-10-01 2026-10-01 ok
www.acms.solaseedair.jp 2 2026-10-01 2026-10-01 ok
ssct.solaseedair.jp 4 2025-09-04 2026-09-17 ok
recruit.solaseedair.jp 1 2026-01-06 2026-01-06 ok
pb-dev.solaseedair.jp 1 2025-10-14 2025-10-14 ok
ssc-dev.solaseedair.jp 1 2025-10-09 2025-10-09 ok
api-dev.solaseedair.jp 1 2025-09-11 2025-09-11 ok
biz-dev.solaseedair.jp 1 2025-10-09 2025-10-09 ok
solabiz-dev.solaseedair.jp 1 2026-05-15 2026-05-15 ok
resv.solaseedair.jp 2 2025-07-01 2026-07-02 ok
stg.test.resv.solaseedair.jp 2 2025-07-11 2026-06-10 ok
dev.test.resv.solaseedair.jp 2 2025-07-29 2026-06-27 ok
crew.solaseedair.jp 3 2026-03-17 2026-09-14 ok
t.crew.solaseedair.jp 1 2026-05-07 2026-05-07 ok
www.solaseedair.jp 4 2025-09-04 2026-09-30 ok
biz.solaseedair.jp 1 2025-10-09 2025-10-09 ok
solabiz.solaseedair.jp 1 2025-10-09 2025-10-09 ok

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