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.

71 hosts · 201 ms

HostCertsFirst seenLast seen
smfl.co.jp 3 2026-01-06 2026-09-07
*.smfl.co.jp 4 2026-01-06 2026-09-04
TYORML001.smfl.co.jp 1 2025-11-27 2025-11-27
*.ad01.smfl.co.jp 2 2025-06-20 2026-07-02
twodws001.ad01.smfl.co.jp 2 2026-08-25 2026-08-25
ttwodws001.ad01.smfl.co.jp 2 2026-08-25 2026-08-25
tyodws001.ad01.smfl.co.jp 3 2026-09-04 2026-09-14
ttyodws001.ad01.smfl.co.jp 3 2026-09-04 2026-09-14
tyoddb0401.ad01.smfl.co.jp 4 2026-01-06 2026-09-04
tyodml0401.ad01.smfl.co.jp 3 2026-08-25 2026-09-04
FKMDPWDMN21.ad01.smfl.co.jp 1 2026-01-05 2026-01-05
www.FKMDPWDMN21.ad01.smfl.co.jp 1 2026-01-05 2026-01-05
tyoddb0491.ad01.smfl.co.jp 4 2026-01-06 2026-09-04
tyodml0491.ad01.smfl.co.jp 4 2026-01-06 2026-09-04
tyoddb0402.ad01.smfl.co.jp 4 2026-01-06 2026-09-04
tyoddb0403.ad01.smfl.co.jp 4 2026-01-06 2026-09-04
tyoddb0404.ad01.smfl.co.jp 4 2026-01-06 2026-09-04
tyodml0404.ad01.smfl.co.jp 3 2026-08-25 2026-09-04
ttyodml0404.ad01.smfl.co.jp 3 2026-08-25 2026-09-04
tyoddb0405.ad01.smfl.co.jp 4 2026-01-06 2026-09-04
ttyoddb0405.ad01.smfl.co.jp 3 2026-08-25 2026-09-04
tyoddb0406.ad01.smfl.co.jp 4 2026-01-06 2026-09-04
ttyoddb0406.ad01.smfl.co.jp 3 2026-08-25 2026-09-04
*.devad01.smfl.co.jp 2 2025-06-20 2026-07-02
aspdb1.smfl.co.jp 2 2025-10-20 2026-09-11
aspweb1.smfl.co.jp 2 2025-10-20 2026-09-11
aspneo1.smfl.co.jp 1 2025-10-01 2025-10-01
TYORML002.smfl.co.jp 1 2025-11-27 2025-11-27
sts.devad02.smfl.co.jp 1 2025-11-16 2025-11-16
aspdb2.smfl.co.jp 2 2025-10-20 2026-09-11
aspweb2.smfl.co.jp 2 2025-10-20 2026-09-11
aspneo2.smfl.co.jp 1 2025-10-01 2025-10-01
ssl-asteria03.smfl.co.jp 2 2025-09-25 2026-09-11
aspdb3.smfl.co.jp 2 2025-10-20 2026-09-11
aspweb3.smfl.co.jp 2 2025-10-20 2026-09-11
aspneo3.smfl.co.jp 1 2025-10-01 2025-10-01
sts25.smfl.co.jp 1 2025-12-24 2025-12-24
iqa.smfl.co.jp 1 2026-02-18 2026-02-18
*.iqa.smfl.co.jp 1 2026-02-18 2026-02-18
idb-api-qa.iqa.smfl.co.jp 2 2025-08-12 2026-07-13
digitallab.smfl.co.jp 7 2026-05-23 2026-10-01
dev-aspweb.smfl.co.jp 2 2025-10-20 2026-09-11
cm-webexchange.smfl.co.jp 1 2025-10-23 2025-10-23
i.smfl.co.jp 1 2026-02-18 2026-02-18
*.i.smfl.co.jp 1 2026-02-18 2026-02-18
idb-api.i.smfl.co.jp 2 2025-08-12 2026-07-13
*.fageplweb02.iwebap.i.smfl.co.jp 1 2026-02-12 2026-02-12
api.smfl.co.jp 1 2025-10-23 2025-10-23
net-l.smfl.co.jp 2 2025-10-01 2026-09-11
aero.smfl.co.jp 2 2026-03-12 2026-09-11
smbcdbjp.smfl.co.jp 2 2025-10-20 2026-09-11
smbcwebjp.smfl.co.jp 2 2025-10-20 2026-09-11
e-answer.smfl.co.jp 1 2025-10-23 2025-10-23
sts.smfl.co.jp 2 2025-08-08 2026-08-24
secondplus.smfl.co.jp 1 2025-10-23 2025-10-23
net-t.smfl.co.jp 2 2025-10-01 2026-09-11
aspneot.smfl.co.jp 1 2025-10-01 2025-10-01
test.smfl.co.jp 2 2026-03-23 2026-09-09
www.test.smfl.co.jp 2 2026-03-23 2026-09-09
webdav.smfl.co.jp 1 2026-03-23 2026-03-23
www.webdav.smfl.co.jp 1 2026-03-23 2026-03-23
ssl-asteria03-dev.smfl.co.jp 2 2025-09-18 2026-09-11
idev.smfl.co.jp 1 2026-02-18 2026-02-18
*.idev.smfl.co.jp 1 2026-02-18 2026-02-18
idb-api-reference.idev.smfl.co.jp 2 2025-08-07 2026-07-08
idb-api.idev.smfl.co.jp 2 2025-08-07 2026-07-08
*.fagedlweb02.iwebap.idev.smfl.co.jp 2 2025-11-06 2026-10-07
gw.smfl.co.jp 2 2025-07-31 2026-07-17
www.smfl.co.jp 2 2026-03-23 2026-09-07
smbcdbny.smfl.co.jp 2 2025-10-20 2026-09-11
smbcwebny.smfl.co.jp 2 2025-10-20 2026-09-11

Programmatic access: API GET /v1/hosts/smfl.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/smfl.co.jp.