Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

100 hosts (first page) · 184 ms

HostCertsFirst seenLast seen
shueisha.co.jp 18 2025-07-04 2026-09-09
*.shueisha.co.jp 19 2025-07-04 2026-09-09
stg-grajapa2021.shueisha.co.jp 2 2026-09-29 2026-09-29
*.stg-grajapa2021.shueisha.co.jp 5 2025-07-01 2026-09-29
zensa2.shueisha.co.jp 2 2026-03-31 2026-08-26
www.zensa2.shueisha.co.jp 2 2026-03-31 2026-08-26
www2.shueisha.co.jp 1 2026-02-20 2026-02-20
*.stg-grajapa2023.shueisha.co.jp 4 2025-08-25 2026-07-26
*.grajapa2023.shueisha.co.jp 4 2025-08-25 2026-07-26
243.shueisha.co.jp 3 2025-10-26 2026-09-26
wpb-kinniku2019.shueisha.co.jp 2 2025-09-28 2026-08-28
kotoba.shueisha.co.jp 2 2025-09-28 2026-08-28
digiga.shueisha.co.jp 1 2025-10-16 2025-10-16
shojomanga.shueisha.co.jp 1 2025-12-06 2025-12-06
betsuma.shueisha.co.jp 1 2026-02-12 2026-02-12
cocohana.shueisha.co.jp 1 2025-11-30 2025-11-30
grajapa.shueisha.co.jp 1 2026-01-21 2026-01-21
*.grajapa.shueisha.co.jp 1 2026-01-21 2026-01-21
ultra.shueisha.co.jp 4 2026-04-15 2026-08-13
sportiva.shueisha.co.jp 1 2026-06-15 2026-06-15
www.sportiva.shueisha.co.jp 1 2026-06-15 2026-06-15
editorslab.shueisha.co.jp 1 2025-10-08 2025-10-08
www.editorslab.shueisha.co.jp 1 2025-10-08 2025-10-08
goods-db.shueisha.co.jp 3 2026-02-13 2026-06-05
stg.goods-db.shueisha.co.jp 2 2026-05-27 2026-05-28
www.stg.goods-db.shueisha.co.jp 1 2026-05-28 2026-05-28
www.goods-db.shueisha.co.jp 1 2026-05-28 2026-05-28
3hen-opdb.shueisha.co.jp 2 2025-09-11 2025-10-15
stg.3hen-opdb.shueisha.co.jp 1 2025-11-14 2025-11-14
dev.3hen-opdb.shueisha.co.jp 1 2025-09-11 2025-09-11
assistantdb.shueisha.co.jp 5 2026-05-17 2026-09-14
test-assistantdb.shueisha.co.jp 5 2026-05-17 2026-09-14
wpb.shueisha.co.jp 1 2026-06-15 2026-06-15
www.wpb.shueisha.co.jp 1 2026-06-15 2026-06-15
mdamfc.shueisha.co.jp 2 2025-07-29 2026-06-29
mail.mdamfc.shueisha.co.jp 2 2025-09-24 2026-09-24
zebrack-comic.shueisha.co.jp 1 2025-12-15 2025-12-15
the0to1.zebrack-comic.shueisha.co.jp 5 2026-04-15 2026-09-23
www.zebrack-comic.shueisha.co.jp 1 2025-12-15 2025-12-15
slamdunk-sc.shueisha.co.jp 3 2025-09-03 2026-09-14
ssc.shueisha.co.jp 2 2025-10-26 2026-09-26
id.shueisha.co.jp 3 2026-05-09 2026-10-09
*.id.shueisha.co.jp 3 2026-05-09 2026-10-09
stg.id.shueisha.co.jp 4 2025-06-24 2026-05-26
*.stg.id.shueisha.co.jp 4 2025-06-24 2026-05-26
wg.id.shueisha.co.jp 1 2026-10-05 2026-10-05
form.id.shueisha.co.jp 6 2026-04-13 2026-09-27
app-pay.id.shueisha.co.jp 2 2026-09-14 2026-09-14
stg.app-pay.id.shueisha.co.jp 2 2026-09-14 2026-09-14
award.shueisha.co.jp 1 2026-02-12 2026-02-12
thermaeromae.shueisha.co.jp 2 2025-06-11 2026-06-16
stg-thermaeromae.shueisha.co.jp 2 2025-06-11 2026-06-16
mangaipguide.shueisha.co.jp 8 2026-05-08 2026-07-14
cookie.shueisha.co.jp 2 2025-10-26 2026-01-08
introweb.home.shueisha.co.jp 2 2026-03-24 2026-08-18
www.introweb.home.shueisha.co.jp 2 2026-03-24 2026-08-18
fabre.shueisha.co.jp 3 2025-10-26 2026-09-26
rimacomi-store.shueisha.co.jp 1 2026-09-01 2026-09-01
stg-rimacomi-store.shueisha.co.jp 1 2026-09-01 2026-09-01
dash.shueisha.co.jp 1 2026-02-25 2026-02-25
www.bungei.shueisha.co.jp 1 2026-05-26 2026-05-26
gakugei.shueisha.co.jp 1 2026-02-25 2026-02-25
rimacomi-kuji.shueisha.co.jp 1 2026-09-21 2026-09-21
stg-rimacomi-kuji.shueisha.co.jp 3 2026-09-21 2026-09-21
*.stg-rimacomi-kuji.shueisha.co.jp 3 2026-09-21 2026-09-21
*.rimacomi-kuji.shueisha.co.jp 1 2026-09-21 2026-09-21
natsucomi.shueisha.co.jp 6 2026-03-30 2026-10-06
test-natsucomi.shueisha.co.jp 4 2026-04-15 2026-08-13
kimikoi.shueisha.co.jp 2 2025-10-26 2026-01-08
anpi.shueisha.co.jp 1 2025-12-19 2025-12-19
www.anpi.shueisha.co.jp 1 2025-12-19 2025-12-19
adnavi.shueisha.co.jp 2 2025-09-16 2026-08-16
stg-adnavi.shueisha.co.jp 2 2025-08-17 2026-07-17
oneteam.shueisha.co.jp 1 2025-12-11 2025-12-11
scim.shueisha.co.jp 5 2026-05-12 2026-08-27
sgtm.shueisha.co.jp 3 2026-05-16 2026-10-09
wpb-kinnikuman.shueisha.co.jp 2 2026-05-11 2026-10-09
www.wpb-kinnikuman.shueisha.co.jp 2 2026-05-11 2026-10-09
imden.shueisha.co.jp 1 2026-05-22 2026-05-22
stg.imden.shueisha.co.jp 4 2026-04-16 2026-10-06
ribon.shueisha.co.jp 3 2025-06-25 2026-06-01
haihon.shueisha.co.jp 2 2025-08-08 2026-08-27
mangamillion.shueisha.co.jp 3 2026-02-13 2026-07-02
*.mangamillion.shueisha.co.jp 2 2026-02-25 2026-07-02
newsletter.mangamillion.shueisha.co.jp 1 2026-07-06 2026-07-06
api.newsletter.mangamillion.shueisha.co.jp 1 2026-07-06 2026-07-06
newsletter-dev.mangamillion.shueisha.co.jp 1 2026-07-06 2026-07-06
api.newsletter-dev.mangamillion.shueisha.co.jp 1 2026-07-06 2026-07-06
www.mangamillion.shueisha.co.jp 1 2026-02-13 2026-02-13
100th-exhibition.shueisha.co.jp 2 2026-06-30 2026-06-30
*.100th-exhibition.shueisha.co.jp 1 2026-06-30 2026-06-30
watanabe-sho.shueisha.co.jp 2 2025-09-28 2026-08-28
shuppan-4sho.shueisha.co.jp 1 2026-01-23 2026-01-23
shinsho.shueisha.co.jp 3 2025-09-28 2026-08-28
comijo.shueisha.co.jp 2 2026-03-13 2026-08-28
*.comijo.shueisha.co.jp 2 2026-03-13 2026-08-28
myojo.shueisha.co.jp 1 2026-05-12 2026-05-12
bunko.shueisha.co.jp 2 2025-08-03 2026-08-17
comic-bunko.shueisha.co.jp 3 2025-10-26 2026-09-26
orangebunko.shueisha.co.jp 1 2026-06-22 2026-06-22

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/shueisha.co.jp.

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/shueisha.co.jp.