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) · 356 ms

HostCertsFirst seenLast seenDNS
spmode.ne.jp 4 2025-09-03 2026-02-23 ok
apl01.spmode.ne.jp 8 2025-06-10 2026-08-18 nodata
*.apl01.spmode.ne.jp 10 2025-06-10 2026-08-18 —
logcollect01.apl01.spmode.ne.jp 2 2025-06-19 2026-05-20 ok
help02.apl01.spmode.ne.jp 2 2025-06-19 2026-05-20 ok
notifipic.apl01.spmode.ne.jp 2 2025-06-19 2026-05-20 ok
api.apl01.spmode.ne.jp 1 2026-06-17 2026-06-17 ok
modeldl.apl01.spmode.ne.jp 2 2025-06-19 2026-05-20 ok
mail1.spmode.ne.jp 4 2025-09-02 2026-02-23 ok
ve.m.mail1.spmode.ne.jp 2 2025-09-03 2026-09-08 ok
ve.x.mail1.spmode.ne.jp 1 2026-10-02 2026-10-02 nxdomain
payment1.spmode.ne.jp 2 2026-01-07 2026-06-15 ok
bcp-payment1.spmode.ne.jp 3 2025-12-23 2026-08-23 ok
mlwdcm.payment1.spmode.ne.jp 1 2025-08-25 2025-08-25 ok
pt.mlwdcm.payment1.spmode.ne.jp 1 2025-08-25 2025-08-25 ok
pt.payment1.spmode.ne.jp 2 2025-12-23 2026-06-15 ok
mail2.spmode.ne.jp 5 2025-09-02 2026-02-23 ok
ve.m.mail2.spmode.ne.jp 2 2025-09-03 2026-09-08 ok
ve.x.mail2.spmode.ne.jp 1 2026-10-02 2026-10-02 nxdomain
*.ncs-m2.spmode.ne.jp 3 2025-09-03 2026-09-15 —
a-ssc.ncs-m2.spmode.ne.jp 4 2025-09-03 2026-09-18 nodata
fcd.ncs-m2.spmode.ne.jp 3 2025-09-03 2026-09-15 nodata
imap2.spmode.ne.jp 4 2025-09-03 2026-02-23 ok
ve.m.imap2.spmode.ne.jp 2 2025-09-04 2026-09-08 ok
ve.x.imap2.spmode.ne.jp 1 2026-10-02 2026-10-02 nxdomain
payment2.spmode.ne.jp 4 2025-08-24 2026-08-23 ok
pt.payment2.spmode.ne.jp 2 2025-11-25 2025-12-18 ok
ve.m.h23.storevc3.spmode.ne.jp 9 2026-02-10 2026-06-22 ok
h26.storevc3.spmode.ne.jp 2 2025-09-10 2026-08-17 ok
g20.storedl3.spmode.ne.jp 2 2025-09-10 2026-08-17 ok
ve.m.g20.storedl3.spmode.ne.jp 13 2026-02-10 2026-06-22 ok
ve.m.g23.storedl3.spmode.ne.jp 1 2026-02-10 2026-02-10 ok
g26.storedl3.spmode.ne.jp 2 2025-09-10 2026-08-17 ok
udn.storedl3.spmode.ne.jp 2 2025-09-10 2026-08-17 ok
ve.m.udn-s.storedl3.spmode.ne.jp 1 2026-02-10 2026-02-10 ok
ve.m.udn-t.storedl3.spmode.ne.jp 8 2026-02-10 2026-06-22 ok
mail3.spmode.ne.jp 4 2025-09-02 2026-02-23 ok
ve.m.mail3.spmode.ne.jp 2 2025-09-03 2026-09-08 ok
ve.x.mail3.spmode.ne.jp 1 2026-10-02 2026-10-02 nxdomain
payment3.spmode.ne.jp 3 2026-04-06 2026-08-23 ok
pt.payment3.spmode.ne.jp 3 2026-04-06 2026-08-23 ok
mail4.spmode.ne.jp 4 2025-09-02 2026-02-23 ok
ve.m.mail4.spmode.ne.jp 2 2025-09-03 2026-09-08 ok
ve.x.mail4.spmode.ne.jp 1 2026-10-02 2026-10-02 nxdomain
apl99.spmode.ne.jp 10 2025-06-10 2026-10-04 nodata
*.apl99.spmode.ne.jp 12 2025-06-10 2026-10-04 —
logcollect01.apl99.spmode.ne.jp 2 2026-03-23 2026-08-23 ok
help02.apl99.spmode.ne.jp 2 2026-03-23 2026-08-23 ok
notifipic.apl99.spmode.ne.jp 2 2026-03-16 2026-08-16 ok
api.apl99.spmode.ne.jp 1 2026-06-17 2026-06-17 ok
modeldl.apl99.spmode.ne.jp 3 2026-01-19 2026-08-23 ok
testloc.spmode.ne.jp 6 2025-09-03 2026-09-08 nxdomain
ve.m.h23.storevc.spmode.ne.jp 3 2025-09-05 2026-09-08 ok
ve.x.h23.storevc.spmode.ne.jp 1 2026-10-02 2026-10-02 nxdomain
h26.storevc.spmode.ne.jp 4 2025-09-03 2026-02-23 ok
idbrand.spmode.ne.jp 5 2025-09-03 2026-07-28 ok
ve.m.idbrand.spmode.ne.jp 2 2025-09-05 2026-09-08 ok
ve.x.idbrand.spmode.ne.jp 1 2026-10-02 2026-10-02 nxdomain
forward.spmode.ne.jp 2 2025-09-03 2026-02-23 ok
ve.m.forward.spmode.ne.jp 1 2025-09-04 2025-09-04 ok
a20.voice.spmode.ne.jp 4 2025-09-03 2026-02-24 ok
k20.pointhome.spmode.ne.jp 4 2025-09-03 2026-02-23 ok
ve.m.k20.pointhome.spmode.ne.jp 2 2025-09-05 2026-09-08 ok
spf.spmode.ne.jp 6 2025-09-03 2026-09-08 nxdomain
cfg.spmode.ne.jp 4 2025-09-03 2026-02-23 ok
ve.m.cfg.spmode.ne.jp 2 2025-09-04 2026-09-08 ok
ve.o.cfg.spmode.ne.jp 3 2025-09-03 2026-09-15 ok
ve.x.cfg.spmode.ne.jp 1 2026-10-02 2026-10-02 nxdomain
j20.provisioning.spmode.ne.jp 5 2025-09-03 2026-02-24 ok
ve.m.j20.provisioning.spmode.ne.jp 2 2025-09-05 2026-09-08 ok
ve.x.j20.provisioning.spmode.ne.jp 1 2026-10-02 2026-10-02 nxdomain
auth.spmode.ne.jp 4 2025-09-03 2026-02-23 ok
acg.oi-ncs-auth.spmode.ne.jp 4 2025-09-03 2026-02-23 ok
ve.s.acg.oi-ncs-auth.spmode.ne.jp 2 2025-09-05 2026-09-08 ok
acg.kw-ncs-auth.spmode.ne.jp 4 2025-09-03 2026-02-23 ok
ve.s.acg.kw-ncs-auth.spmode.ne.jp 2 2025-09-05 2026-09-08 ok
ve.m2.acg.ncs-auth.spmode.ne.jp 1 2025-09-03 2025-09-03 ok
ve.l.acg.ncs-auth.spmode.ne.jp 1 2025-09-05 2025-09-05 ok
ve.m.acg.ncs-auth.spmode.ne.jp 1 2025-09-05 2025-09-05 ok
configuration.ncs-auth.spmode.ne.jp 4 2025-09-03 2026-02-23 ok
ve.m2.configuration.ncs-auth.spmode.ne.jp 2 2025-09-03 2026-09-08 ok
ve.l.configuration.ncs-auth.spmode.ne.jp 2 2025-09-05 2026-09-08 ok
ve.m.configuration.ncs-auth.spmode.ne.jp 2 2025-09-05 2026-09-08 ok
ve.s.configuration.ncs-auth.spmode.ne.jp 2 2025-09-05 2026-09-08 ok
ve.m.auth.spmode.ne.jp 2 2025-09-03 2026-09-08 nxdomain
ve.o.auth.spmode.ne.jp 3 2025-09-03 2026-09-15 nxdomain
ve.x.auth.spmode.ne.jp 1 2026-10-02 2026-10-02 nxdomain
tknauth.spmode.ne.jp 4 2025-09-03 2026-02-23 ok
ve.m.tknauth.spmode.ne.jp 2 2025-09-05 2026-09-08 ok
ve.o.tknauth.spmode.ne.jp 2 2025-09-03 2026-09-15 ok
ve.x.tknauth.spmode.ne.jp 1 2026-10-02 2026-10-02 nxdomain
dcm-bi.spmode.ne.jp 4 2025-09-03 2026-02-23 ok
ve.m.dcm-bi.spmode.ne.jp 2 2025-09-04 2026-09-08 ok
api.spmode.ne.jp 2 2025-09-03 2025-09-04 ok
dcmmdm-awapi.spmode.ne.jp 2 2025-09-02 2026-02-23 ok
ve.m.dcmmdm-awapi.spmode.ne.jp 1 2025-09-03 2025-09-03 ok
a20.oazukari.spmode.ne.jp 4 2025-09-03 2026-02-23 ok
ve.m.a20.oazukari.spmode.ne.jp 2 2025-09-04 2026-09-08 ok
ve.x.a20.oazukari.spmode.ne.jp 1 2026-10-02 2026-10-02 nxdomain
a23.oazukari.spmode.ne.jp 5 2025-09-03 2026-02-24 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/spmode.ne.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/spmode.ne.jp.