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.

38 hosts · 295 ms

HostCertsFirst seenLast seenDNS
digitallab.jp 1 2025-09-19 2025-09-19 ok
client060.digitallab.jp 5 2026-06-01 2026-09-29 ok
internaluse001.digitallab.jp 4 2026-05-10 2026-05-10 nxdomain
clientap001.digitallab.jp 5 2026-06-02 2026-09-30 ok
clientcp001.digitallab.jp 4 2026-04-10 2026-08-08 ok
client051.digitallab.jp 5 2026-04-22 2026-08-20 ok
client061.digitallab.jp 5 2026-06-01 2026-09-29 ok
clientap002.digitallab.jp 5 2026-04-30 2026-08-28 ok
clientcp002.digitallab.jp 4 2026-04-13 2026-08-11 ok
client062.digitallab.jp 4 2026-04-18 2026-08-16 ok
clientcp003.digitallab.jp 5 2026-05-25 2026-09-22 ok
client043.digitallab.jp 6 2026-06-03 2026-10-01 ok
client053.digitallab.jp 5 2026-05-05 2026-09-02 ok
client063.digitallab.jp 1 2026-09-07 2026-09-07 ok
client044.digitallab.jp 6 2026-06-03 2026-10-01 ok
client054.digitallab.jp 5 2026-05-31 2026-09-28 ok
client064.digitallab.jp 1 2026-09-07 2026-09-07 ok
clientcp005.digitallab.jp 5 2026-04-28 2026-08-26 ok
client055.digitallab.jp 4 2026-06-07 2026-10-05 ok
client056.digitallab.jp 4 2026-06-07 2026-10-05 ok
client047.digitallab.jp 5 2026-05-14 2026-09-11 ok
client058.digitallab.jp 5 2026-04-29 2026-08-27 ok
client059.digitallab.jp 5 2026-06-01 2026-09-29 ok
stg.digitallab.jp 4 2026-04-10 2026-08-08 ok
stg-keiseizemi.digitallab.jp 4 2026-05-21 2026-07-20 ok
sol.digitallab.jp 3 2026-07-01 2026-08-30 ok
csm.digitallab.jp 11 2026-05-25 2026-09-20 ok
go.digitallab.jp 9 2026-04-20 2026-09-17 ok
gmo-rakurakuhp.digitallab.jp 14 2026-05-24 2026-09-19 ok
gmo-app.digitallab.jp 13 2026-05-25 2026-09-21 ok
stg-rulemakers.digitallab.jp 4 2026-04-11 2026-08-09 ok
contents.digitallab.jp 1 2026-04-21 2026-04-21 ok
stg.contents.digitallab.jp 5 2026-06-02 2026-09-30 ok
www.contents.digitallab.jp 5 2026-04-20 2026-04-21 ok
shop-pocket.digitallab.jp 10 2026-05-24 2026-09-19 ok
beauty-pay.digitallab.jp 11 2026-05-25 2026-09-20 ok
digitalpay.digitallab.jp 11 2026-05-25 2026-09-20 ok
security.digitallab.jp 4 2026-04-16 2026-08-27 ok

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