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) · 500 ms

HostCertsFirst seenLast seenDNS
smbcnikko.co.jp 2 2026-03-02 2026-07-30 ok
test-nk10.smbcnikko.co.jp 2 2025-12-02 2025-12-03 ok
test-hp10.smbcnikko.co.jp 2 2026-01-09 2026-02-02 ok
test-nk20.smbcnikko.co.jp 2 2026-03-02 2026-08-03 ok
test-nk30.smbcnikko.co.jp 2 2026-03-02 2026-08-03 ok
test-nk11.smbcnikko.co.jp 1 2025-12-03 2025-12-03 ok
test-nk21.smbcnikko.co.jp 2 2026-03-02 2026-08-03 ok
test-nk31.smbcnikko.co.jp 2 2026-03-02 2026-08-03 ok
test-nk12.smbcnikko.co.jp 1 2025-12-03 2025-12-03 ok
test-nk22.smbcnikko.co.jp 2 2026-03-02 2026-08-03 ok
test-nk32.smbcnikko.co.jp 2 2026-03-02 2026-08-03 ok
fund2.smbcnikko.co.jp 1 2026-06-11 2026-06-11 ok
trade2.smbcnikko.co.jp 1 2025-08-15 2025-08-15 ok
bank-trade2.smbcnikko.co.jp 1 2025-08-15 2025-08-15 ok
b-report2.smbcnikko.co.jp 1 2026-01-06 2026-01-06 nxdomain
mc-report2.smbcnikko.co.jp 2 2025-12-01 2026-01-08 ok
t-mc-report2.smbcnikko.co.jp 2 2025-12-01 2026-01-05 nxdomain
s-report2.smbcnikko.co.jp 1 2026-01-08 2026-01-08 nxdomain
www2.smbcnikko.co.jp 3 2026-03-06 2026-09-14 ok
froggy2.smbcnikko.co.jp 1 2025-08-15 2025-08-15 ok
test-nk13.smbcnikko.co.jp 1 2025-12-03 2025-12-03 ok
test-nk23.smbcnikko.co.jp 2 2026-03-02 2026-08-03 ok
test-nk33.smbcnikko.co.jp 2 2026-03-02 2026-08-03 ok
test-nk14.smbcnikko.co.jp 2 2026-03-02 2026-08-03 ok
test-nk24.smbcnikko.co.jp 3 2026-03-02 2026-09-14 ok
test-nk34.smbcnikko.co.jp 2 2026-03-02 2026-08-03 ok
test-nk25.smbcnikko.co.jp 2 2026-03-02 2026-08-03 ok
test-nk35.smbcnikko.co.jp 2 2026-03-03 2026-08-03 ok
o365.smbcnikko.co.jp 1 2026-03-02 2026-03-02 nodata
*.o365.smbcnikko.co.jp 1 2026-03-02 2026-03-02 —
test-nk16.smbcnikko.co.jp 2 2026-03-02 2026-08-03 ok
test-nk26.smbcnikko.co.jp 2 2026-03-02 2026-08-03 ok
test-nk36.smbcnikko.co.jp 2 2026-03-03 2026-08-03 ok
test-nk17.smbcnikko.co.jp 2 2026-03-02 2026-08-03 ok
test-nk27.smbcnikko.co.jp 2 2026-03-02 2026-08-03 ok
test-nk37.smbcnikko.co.jp 2 2026-03-03 2026-08-03 ok
test-nk18.smbcnikko.co.jp 2 2026-03-02 2026-08-03 ok
test-nk19.smbcnikko.co.jp 2 2026-03-02 2026-08-03 ok
nba.smbcnikko.co.jp 2 2026-02-06 2026-09-14 ok
new.nba.smbcnikko.co.jp 1 2025-07-17 2025-07-17 ok
sma.smbcnikko.co.jp 1 2026-06-10 2026-06-10 ok
qa.smbcnikko.co.jp 2 2025-07-01 2026-07-06 ok
shokutsuminisa.smbcnikko.co.jp 2 2025-10-17 2025-10-17 ok
*.shokutsuminisa.smbcnikko.co.jp 1 2025-10-17 2025-10-17 —
nikkofxgweb.smbcnikko.co.jp 2 2025-11-06 2025-11-19 ok
nikkofxgwebpb.smbcnikko.co.jp 2 2025-11-06 2025-11-19 ok
www.nmc.smbcnikko.co.jp 1 2026-01-05 2026-01-05 ok
cloud.smc.smbcnikko.co.jp 2 2025-07-26 2026-07-14 ok
image.smc.smbcnikko.co.jp 4 2026-04-06 2026-09-06 ok
click.smc.smbcnikko.co.jp 2 2025-07-26 2026-07-13 ok
view.smc.smbcnikko.co.jp 2 2025-07-26 2026-07-13 ok
wrc.smbcnikko.co.jp 2 2025-08-01 2026-07-28 nodata
*.wrc.smbcnikko.co.jp 2 2025-08-01 2026-07-28 —
ekyc.smbcnikko.co.jp 1 2026-06-10 2026-06-10 ok
fund-chart-upload.smbcnikko.co.jp 2 2025-07-17 2026-06-16 ok
exhybrid.smbcnikko.co.jp 1 2025-12-12 2025-12-12 ok
ald.smbcnikko.co.jp 3 2026-03-06 2026-09-14 ok
idfund.smbcnikko.co.jp 1 2025-12-18 2025-12-18 ok
vdi-rd.smbcnikko.co.jp 1 2026-03-09 2026-03-09 ok
dev-vdi-rd.smbcnikko.co.jp 1 2026-03-09 2026-03-09 ok
trade.smbcnikko.co.jp 2 2025-12-02 2025-12-03 ok
bank-trade.smbcnikko.co.jp 2 2025-12-03 2026-09-14 ok
smbcimtrade.smbcnikko.co.jp 1 2025-12-03 2025-12-03 ok
linkone.smbcnikko.co.jp 3 2026-03-06 2026-09-14 ok
jh-linkone.smbcnikko.co.jp 4 2025-09-02 2026-09-14 nxdomain
lt-linkone.smbcnikko.co.jp 4 2025-09-02 2026-09-14 nxdomain
st-linkone.smbcnikko.co.jp 4 2025-09-02 2026-09-14 nxdomain
forone.smbcnikko.co.jp 3 2026-03-06 2026-09-14 ok
fundeye.smbcnikko.co.jp 2 2025-09-01 2026-09-11 ok
rfundeye.smbcnikko.co.jp 3 2025-09-01 2026-09-11 ok
test-rfundeye.smbcnikko.co.jp 3 2025-09-01 2026-09-11 ok
aimonitoring.smbcnikko.co.jp 3 2025-09-01 2026-09-11 ok
test-aimonitoring.smbcnikko.co.jp 3 2025-09-01 2026-09-11 ok
nikkofxgweb-stg.smbcnikko.co.jp 2 2025-11-06 2025-11-19 ok
nikkofxgwebpb-stg.smbcnikko.co.jp 2 2025-11-06 2025-11-19 ok
nikkofxpush-stg.smbcnikko.co.jp 2 2025-11-06 2025-11-19 ok
nikkofxowlap-stg.smbcnikko.co.jp 2 2025-11-06 2025-11-19 nxdomain
nikkofxgwebsp-stg.smbcnikko.co.jp 2 2025-11-06 2025-11-19 ok
nikkofxextgw-stg.smbcnikko.co.jp 2 2025-11-06 2025-11-19 nxdomain
nikkofxsorry-stg.smbcnikko.co.jp 1 2025-11-29 2025-11-29 ok
onepitapistg.smbcnikko.co.jp 2 2025-07-01 2026-06-24 ok
sitesearch.smbcnikko.co.jp 1 2025-11-04 2025-11-04 ok
ald-jh.smbcnikko.co.jp 1 2026-06-10 2026-06-10 nxdomain
fone-jh.smbcnikko.co.jp 1 2026-06-10 2026-06-10 nxdomain
isop-jh.smbcnikko.co.jp 1 2026-06-10 2026-06-10 nxdomain
nikkofxpush.smbcnikko.co.jp 2 2025-11-06 2025-11-19 ok
smbc-chukai.smbcnikko.co.jp 1 2026-01-08 2026-01-08 nxdomain
t-smbc-chukai.smbcnikko.co.jp 1 2026-01-05 2026-01-05 nxdomain
mc-chukai.smbcnikko.co.jp 2 2025-12-01 2026-01-08 ok
t-mc-chukai.smbcnikko.co.jp 2 2025-12-01 2026-01-05 nxdomain
bomc-chukai.smbcnikko.co.jp 1 2026-02-10 2026-02-10 nxdomain
t-bomc-chukai.smbcnikko.co.jp 2 2025-12-05 2026-01-05 nxdomain
bank-chukai.smbcnikko.co.jp 1 2026-01-06 2026-01-06 nxdomain
api.smbcnikko.co.jp 3 2026-03-02 2026-08-10 ok
onepitapi.smbcnikko.co.jp 2 2025-07-01 2026-06-24 ok
fstock.smbcnikko.co.jp 1 2025-12-08 2025-12-08 ok
ebook.smbcnikko.co.jp 2 2025-09-01 2026-09-11 ok
workplaceportal.smbcnikko.co.jp 2 2026-03-17 2026-09-11 nodata
*.workplaceportal.smbcnikko.co.jp 2 2026-03-17 2026-09-11 —
o1maildrv11.mail.smbcnikko.co.jp 2 2025-11-20 2025-12-02 ok

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/smbcnikko.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/smbcnikko.co.jp.