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.

100 hosts (first page) · 355 ms

HostCertsFirst seenLast seenDNS
dlsite.com 33 2025-10-11 2026-09-15 ok
*.dlsite.com 32 2025-07-08 2026-09-22 —
*.dev10.dlsite.com 2 2025-08-26 2026-07-27 —
*.upload001.dlsite.com 2 2026-03-22 2026-08-22 —
ssl.701.dlsite.com 2 2025-10-11 2026-09-10 nxdomain
www.701.dlsite.com 2 2025-10-11 2026-09-10 nxdomain
ssl.881.dlsite.com 2 2025-10-11 2026-09-10 nxdomain
www.881.dlsite.com 2 2025-10-11 2026-09-10 nxdomain
ssl.791.dlsite.com 2 2025-10-11 2026-09-10 nxdomain
www.791.dlsite.com 2 2025-10-11 2026-09-10 nxdomain
*.dev1.dlsite.com 2 2025-08-26 2026-07-27 —
*.upload002.dlsite.com 2 2026-03-22 2026-08-22 —
ssl.882.dlsite.com 2 2025-10-11 2026-09-10 nxdomain
www.882.dlsite.com 2 2025-10-11 2026-09-10 nxdomain
php82.dlsite.com 2 2025-06-23 2026-05-24 nxdomain
*.php82.dlsite.com 2 2025-06-23 2026-05-24 —
*.stg2.dlsite.com 5 2025-07-08 2026-08-22 —
www.stg2.dlsite.com 2 2026-09-28 2026-09-28 ok
*.dev2.dlsite.com 4 2025-07-08 2026-07-27 —
ch.dev2.dlsite.com 2 2026-06-16 2026-06-16 ok
*.ch.dev2.dlsite.com 2 2026-06-16 2026-06-16 —
al2023.dlsite.com 2 2025-10-29 2026-09-29 nxdomain
*.al2023.dlsite.com 2 2025-10-29 2026-09-29 —
*.stg3.dlsite.com 5 2025-07-08 2026-08-22 —
*.dev3.dlsite.com 4 2025-07-08 2026-07-27 —
ch.dev3.dlsite.com 2 2026-06-19 2026-06-19 ok
*.ch.dev3.dlsite.com 2 2026-06-19 2026-06-19 —
*.stg4.dlsite.com 1 2026-02-16 2026-02-16 —
*.dev4.dlsite.com 4 2025-07-08 2026-07-27 —
ch.dev4.dlsite.com 2 2026-06-23 2026-06-23 ok
*.ch.dev4.dlsite.com 2 2026-06-23 2026-06-23 —
*.dev5.dlsite.com 4 2025-07-08 2026-07-27 —
*.dev6.dlsite.com 2 2025-08-26 2026-07-27 —
797.dlsite.com 2 2025-10-11 2026-09-10 nxdomain
*.797.dlsite.com 5 2025-07-08 2026-09-10 —
*.matsunaga7.dlsite.com 2 2025-08-31 2026-07-31 —
*.morooka7.dlsite.com 2 2025-08-31 2026-07-31 —
*.motomura7.dlsite.com 2 2025-08-31 2026-07-31 —
*.okumura7.dlsite.com 2 2025-08-31 2026-07-31 —
*.kawabata7.dlsite.com 2 2025-08-31 2026-07-31 —
*.fujita7.dlsite.com 2 2025-08-31 2026-07-31 —
*.kubota7.dlsite.com 2 2025-08-31 2026-07-31 —
*.shibuya7.dlsite.com 2 2025-08-31 2026-07-31 —
*.sone7.dlsite.com 2 2025-08-31 2026-07-31 —
*.kobayashi7.dlsite.com 2 2025-08-31 2026-07-31 —
*.kawakami7.dlsite.com 2 2025-08-31 2026-07-31 —
*.hanano7.dlsite.com 2 2025-08-31 2026-07-31 —
*.dev7.dlsite.com 2 2025-08-26 2026-07-27 —
*.dev8.dlsite.com 2 2025-08-26 2026-07-27 —
*.799.dlsite.com 5 2025-07-08 2026-08-22 —
*.dev9.dlsite.com 2 2025-08-26 2026-07-27 —
e2a.dlsite.com 3 2025-09-25 2026-08-26 nxdomain
*.e2a.dlsite.com 3 2025-09-25 2026-08-26 —
*.matsunaga.dlsite.com 2 2025-07-08 2026-06-08 —
*.kitanaka.dlsite.com 2 2025-07-08 2026-06-08 —
*.ishizaka.dlsite.com 2 2025-07-08 2026-06-08 —
kataoka.dlsite.com 1 2025-12-11 2025-12-11 nxdomain
*.kataoka.dlsite.com 1 2025-12-11 2025-12-11 —
*.morooka.dlsite.com 2 2025-07-08 2026-06-08 —
*.otsuka.dlsite.com 2 2025-07-08 2026-06-08 —
*.kawashima.dlsite.com 2 2025-07-08 2026-06-08 —
*.sakuma.dlsite.com 2 2025-07-08 2026-06-08 —
*.shiina.dlsite.com 2 2025-07-08 2026-06-08 —
*.motomura.dlsite.com 2 2025-07-08 2026-06-08 —
*.okumura.dlsite.com 2 2025-07-08 2026-06-08 —
*.kawabata.dlsite.com 2 2025-07-08 2026-06-08 —
*.ogata.dlsite.com 2 2025-07-08 2026-06-08 —
*.onoshita.dlsite.com 2 2025-07-08 2026-06-08 —
*.fujita.dlsite.com 2 2025-07-08 2026-06-08 —
*.kubota.dlsite.com 2 2025-07-08 2026-06-08 —
*.nakagawa.dlsite.com 2 2025-07-08 2026-06-08 —
*.arakawa.dlsite.com 3 2025-09-22 2026-08-23 —
*.ichikawa.dlsite.com 2 2025-07-08 2026-06-08 —
*.tanikawa.dlsite.com 2 2025-07-08 2026-06-08 —
*.shizawa.dlsite.com 2 2025-07-08 2026-06-08 —
*.sugaya.dlsite.com 2 2025-07-08 2026-06-08 —
*.shibuya.dlsite.com 2 2025-07-08 2026-06-08 —
github.dlsite.com 6 2026-05-18 2026-05-18 ok
ecs-prod.dlsite.com 1 2025-11-21 2025-11-21 nxdomain
*.ecs-prod.dlsite.com 1 2025-11-21 2025-11-21 —
ch.ecs-prod.dlsite.com 1 2025-12-16 2025-12-16 nxdomain
*.ch.ecs-prod.dlsite.com 1 2025-12-16 2025-12-16 —
ch.admin.ecs-prod.dlsite.com 1 2025-12-16 2025-12-16 nxdomain
test-prod.dlsite.com 1 2026-06-15 2026-06-15 nxdomain
*.test-prod.dlsite.com 1 2026-06-15 2026-06-15 —
play.prod.dlsite.com 2 2026-03-05 2026-08-05 ok
maintenance.dlsite.com 2 2025-09-30 2026-08-30 ok
ch.maintenance.dlsite.com 2 2025-10-23 2026-09-23 nxdomain
cs-circle.dlsite.com 6 2026-05-07 2026-09-01 ok
dille.dlsite.com 3 2026-03-12 2026-08-12 ok
*.sone.dlsite.com 2 2025-07-08 2026-06-08 —
image.mg.dlsite.com 1 2025-10-29 2025-10-29 ok
illegal-monitoring.dlsite.com 1 2026-06-30 2026-06-30 nxdomain
*.illegal-monitoring.dlsite.com 1 2026-06-30 2026-06-30 —
stg.illegal-monitoring.dlsite.com 1 2026-06-30 2026-06-30 nxdomain
*.stg.illegal-monitoring.dlsite.com 1 2026-06-30 2026-06-30 —
dev.illegal-monitoring.dlsite.com 1 2026-06-30 2026-06-30 nxdomain
*.dev.illegal-monitoring.dlsite.com 1 2026-06-30 2026-06-30 —
*.testing.dlsite.com 1 2026-01-19 2026-01-19 —
ch.ecs-stg.dlsite.com 1 2025-11-27 2025-11-27 nxdomain

Showing the first 100 hostnames — sign in with GitHub or Google to page the full list, or use the API with an API key: GET /v1/hosts/dlsite.com.

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/dlsite.com.