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.

63 hosts · 324 ms

HostCertsFirst seenLast seenDNS
tstwsmbc00.vpass.ne.jp 3 2025-09-10 2026-07-29 ok
biz.tstwsmbc00.vpass.ne.jp 2 2026-05-26 2026-06-12 ok
tstwvj2.vpass.ne.jp 2 2025-10-02 2026-08-19 ok
st-tstwvj2.vpass.ne.jp 3 2025-10-02 2026-08-19 nxdomain
biz.tstwvj2.vpass.ne.jp 2 2026-09-16 2026-09-16 nxdomain
*.cms2.vpass.ne.jp 1 2025-12-02 2025-12-02 —
www2.vpass.ne.jp 2 2025-10-02 2026-08-20 ok
www3.vpass.ne.jp 3 2025-10-02 2026-08-20 ok
tstwvj4.vpass.ne.jp 3 2025-10-02 2026-08-20 ok
tstimage5.vpass.ne.jp 3 2026-02-06 2026-08-19 ok
tstwww5.vpass.ne.jp 5 2026-03-25 2026-08-19 ok
test-smc.vpass.ne.jp 1 2026-08-18 2026-08-18 nodata
www.prepaid.vpass.ne.jp 2 2025-10-09 2025-10-09 nxdomain
invoice.vpass.ne.jp 9 2026-03-10 2026-08-26 ok
testinvoice.vpass.ne.jp 7 2026-03-03 2026-08-26 ok
image.vpass.ne.jp 4 2025-08-04 2026-09-03 ok
tstvjhome.vpass.ne.jp 1 2026-05-12 2026-05-12 ok
stwvj4img.vpass.ne.jp 3 2025-08-04 2026-06-29 ok
stwsmbcimg.vpass.ne.jp 3 2025-08-04 2026-06-29 ok
smc-fido-auth.vpass.ne.jp 1 2026-02-20 2026-02-20 nodata
fls5s31krim7sk.smc-fido-auth.vpass.ne.jp 1 2026-02-20 2026-02-20 ok
tstsmc-fido-auth.vpass.ne.jp 2 2025-10-08 2026-09-09 nodata
qa8son3r29spfk.tstsmc-fido-auth.vpass.ne.jp 2 2025-10-08 2026-09-09 ok
tstwvj.vpass.ne.jp 2 2025-10-02 2026-08-20 ok
mall.vpass.ne.jp 1 2026-06-08 2026-06-08 ok
tstpointmall.vpass.ne.jp 2 2026-03-24 2026-03-24 nodata
tstmall.vpass.ne.jp 1 2026-06-08 2026-06-08 ok
tstsuguchan.vpass.ne.jp 3 2025-08-19 2026-07-17 ok
tstsuguchanadmin.vpass.ne.jp 3 2025-08-19 2026-07-17 ok
tkn.vpass.ne.jp 2 2025-08-04 2026-06-29 nxdomain
tsttkn.vpass.ne.jp 2 2025-08-04 2026-06-29 nxdomain
fido.vpass.ne.jp 2 2026-05-13 2026-10-05 nxdomain
st-fido.vpass.ne.jp 2 2025-11-19 2026-10-05 nxdomain
p.vpass.ne.jp 2 2025-12-16 2025-12-16 ok
el.p.vpass.ne.jp 2 2025-12-16 2025-12-16 ok
cmp.vpass.ne.jp 4 2025-11-06 2026-10-02 nxdomain
smc-fido-rp.vpass.ne.jp 1 2026-02-20 2026-02-20 nodata
z14kifh5fiapze.smc-fido-rp.vpass.ne.jp 1 2026-02-20 2026-02-20 ok
tstsmc-fido-rp.vpass.ne.jp 2 2025-10-08 2026-09-09 nodata
kfn695sof2bjal.tstsmc-fido-rp.vpass.ne.jp 2 2025-10-08 2026-09-09 ok
member.vpass.ne.jp 1 2026-01-21 2026-01-21 nxdomain
st-member.vpass.ne.jp 2 2025-08-26 2026-07-17 nxdomain
nomember.vpass.ne.jp 1 2026-02-04 2026-02-04 nxdomain
st-nomember.vpass.ne.jp 1 2026-02-04 2026-02-04 nxdomain
manager.vpass.ne.jp 1 2026-01-21 2026-01-21 nxdomain
smc-fido-manager.vpass.ne.jp 1 2026-02-20 2026-02-20 nxdomain
tstsmc-fido-manager.vpass.ne.jp 2 2025-10-08 2026-09-09 nxdomain
st-manager.vpass.ne.jp 2 2025-08-26 2026-07-17 nxdomain
skv2usm59gps3k.smc-fido-3ds.vpass.ne.jp 1 2026-02-20 2026-02-20 ok
g1isk6r54bms0x.tstsmc-fido-3ds.vpass.ne.jp 2 2025-10-08 2026-09-09 ok
*.cms.vpass.ne.jp 1 2026-02-17 2026-02-17 —
image.contact.vpass.ne.jp 4 2025-12-22 2026-09-01 ok
click.contact.vpass.ne.jp 1 2025-10-21 2025-10-21 ok
pages.contact.vpass.ne.jp 1 2025-10-21 2025-10-21 ok
view.contact.vpass.ne.jp 1 2025-10-21 2025-10-21 ok
www.debit.vpass.ne.jp 2 2025-10-08 2026-08-26 ok
support.vpass.ne.jp 1 2026-01-22 2026-01-22 ok
v.vpass.ne.jp 5 2026-05-08 2026-10-02 ok
tstv.vpass.ne.jp 5 2026-05-08 2026-10-02 ok
www.vpass.ne.jp 5 2025-10-01 2026-09-17 nxdomain
olentry.vpass.ne.jp 3 2025-10-02 2026-08-19 nxdomain
st-olentry.vpass.ne.jp 3 2025-10-02 2026-08-19 nxdomain
tstwsmbcamz.vpass.ne.jp 4 2026-09-10 2026-09-18 nxdomain

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