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) · 930 ms

HostCertsFirst seenLast seenDNS
kddi.com 10 2025-07-23 2026-08-20 ok
*.kddi.com 25 2025-07-23 2026-08-10 —
kirikae-00.kddi.com 2 2025-07-01 2026-07-01 ok
cygnus-hulft10.kddi.com 1 2026-01-02 2026-01-02 nodata
dev-cygnus-hulft10.kddi.com 4 2026-03-18 2026-08-19 nodata
*.dev-cygnus-hulft10.kddi.com 4 2026-03-18 2026-08-19 —
*.cygnus-hulft10.kddi.com 1 2026-01-02 2026-01-02 —
au-cs0.kddi.com 2 2025-09-01 2026-08-24 ok
bswtky4-vrad01.kddi.com 1 2026-01-20 2026-01-20 nodata
tbswtky4-vrad01.kddi.com 1 2026-01-09 2026-01-09 nodata
steam01.kddi.com 6 2025-07-29 2026-08-05 ok
brsv911.kddi.com 1 2026-05-25 2026-05-25 nxdomain
nocturne-osaka11.kddi.com 1 2026-02-13 2026-02-13 ok
nocturne-tokyo11.kddi.com 1 2026-02-13 2026-02-13 ok
www-kuic-web21.kddi.com 2 2025-08-08 2026-07-23 nxdomain
www.kuic-web21.kddi.com 2 2025-08-08 2026-07-23 ok
www-presley21.kddi.com 2 2025-08-08 2026-07-23 nxdomain
www.presley21.kddi.com 2 2025-08-08 2026-07-23 ok
LOKC3141.kddi.com 1 2026-02-04 2026-02-04 —
LTKC3141.kddi.com 1 2026-02-04 2026-02-04 —
fa2pki1.kddi.com 1 2026-02-18 2026-02-18 ok
steam01-st1.kddi.com 3 2026-04-30 2026-07-24 ok
rcs-aos-st1.kddi.com 3 2026-04-30 2026-07-24 ok
oauth-ent-st1.kddi.com 3 2026-04-30 2026-07-24 nodata
rcs-ent-st1.kddi.com 3 2026-04-30 2026-07-24 nodata
jwks-ent-st1.kddi.com 1 2026-07-24 2026-07-24 ok
biz1.kddi.com 4 2025-06-15 2026-06-17 ok
bswtky4-vrad02.kddi.com 1 2026-01-20 2026-01-20 nodata
tbswtky4-vrad02.kddi.com 1 2026-01-09 2026-01-09 nodata
areanavi-b2.kddi.com 1 2026-02-24 2026-02-24 ok
grc2.kddi.com 3 2025-07-22 2026-09-28 ok
mng.k-d2.kddi.com 4 2026-05-10 2026-09-25 ok
mng-stg.k-d2.kddi.com 4 2026-05-10 2026-09-25 ok
user-stg.k-d2.kddi.com 4 2026-05-10 2026-09-25 ok
beacon-k-digitaltwin.k-d2.kddi.com 3 2026-05-10 2026-07-04 ok
mng-ro.k-d2.kddi.com 2 2026-05-22 2026-07-16 ok
mng-stg-ro.k-d2.kddi.com 2 2026-05-22 2026-07-16 ok
user-stg-ro.k-d2.kddi.com 2 2026-05-22 2026-07-16 ok
user-ro.k-d2.kddi.com 2 2026-05-22 2026-07-16 ok
user.k-d2.kddi.com 4 2026-05-10 2026-09-25 ok
aaron2.kddi.com 1 2025-10-06 2025-10-06 ok
stg-aaron2.kddi.com 1 2025-10-06 2025-10-06 ok
post-zip-bcp2.kddi.com 1 2025-12-25 2025-12-25 nxdomain
alsas2.kddi.com 2 2025-08-01 2026-07-14 ok
paams2.kddi.com 1 2025-11-28 2025-11-28 ok
bridge-sys2.kddi.com 1 2025-10-23 2025-10-23 nxdomain
toybox2.kddi.com 2 2025-09-05 2026-08-06 ok
2a57j77o52zap2vxgzrzrdu7z4qtlq6.toybox2.kddi.com 2 2025-09-05 2026-08-06 nxdomain
stg.toybox2.kddi.com 2 2025-09-05 2026-08-06 ok
2a57j78kdpl7he9aiikai1te86vannh.stg.toybox2.kddi.com 2 2025-09-05 2026-08-06 nxdomain
dev.toybox2.kddi.com 2 2025-09-05 2026-08-06 ok
2a57j78crjvxhbizdg68we3szdr9uw1.dev.toybox2.kddi.com 2 2025-09-05 2026-08-06 nxdomain
bswtky4-vrad03.kddi.com 1 2026-01-20 2026-01-20 nodata
tbswtky4-vrad03.kddi.com 1 2026-01-09 2026-01-09 nodata
cs3.kddi.com 4 2025-09-01 2026-08-24 ok
*.paams3.kddi.com 6 2025-10-07 2026-09-07 —
info-ja.365.kddi.com 3 2026-05-17 2026-09-01 ok
ginza456.kddi.com 1 2025-11-13 2025-11-13 ok
www.ginza456.kddi.com 1 2025-11-13 2025-11-13 ok
post-zip37.kddi.com 2 2025-09-19 2026-09-02 nxdomain
post-zip38.kddi.com 2 2025-09-19 2026-09-02 nxdomain
post-zip39.kddi.com 2 2025-09-19 2026-09-02 nxdomain
aaron-a.kddi.com 1 2026-05-01 2026-05-01 ok
stg-aaron-a.kddi.com 1 2026-05-01 2026-05-01 ok
au-front-test-a.kddi.com 2 2026-04-30 2026-09-30 nodata
vpf01.nexus-mwaa.kddi.com 2 2025-07-24 2026-06-24 ok
fiwf01.nexus-mwaa.kddi.com 2 2025-07-24 2026-06-24 ok
hr01.nexus-mwaa.kddi.com 2 2025-07-24 2026-06-24 ok
biz01.nexus-mwaa.kddi.com 2 2025-07-24 2026-06-24 ok
vpf02.nexus-mwaa.kddi.com 2 2025-07-24 2026-06-24 ok
biz02.nexus-mwaa.kddi.com 2 2025-07-24 2026-06-24 ok
svc.shiba.kddi.com 1 2026-09-09 2026-09-09 ok
api.shiba.kddi.com 1 2026-01-18 2026-01-18 ok
front.shiba.kddi.com 1 2026-01-18 2026-01-18 ok
lucas-mfa.kddi.com 1 2026-02-18 2026-02-18 nxdomain
lucas-dmfa.kddi.com 1 2026-01-26 2026-01-26 nxdomain
lucas-tmfa.kddi.com 1 2026-01-27 2026-01-27 nxdomain
dev-module19.k-pega.kddi.com 4 2026-08-25 2026-09-24 ok
grafana.prd.k-pega.kddi.com 8 2026-06-26 2026-09-24 ok
loki.prd.k-pega.kddi.com 8 2026-06-26 2026-09-24 ok
permission-manager.prd.k-pega.kddi.com 8 2026-06-26 2026-09-24 ok
harbor.prd.k-pega.kddi.com 8 2026-06-26 2026-09-24 ok
prometheus.prd.k-pega.kddi.com 8 2026-06-26 2026-09-24 nxdomain
stg-gouf.k-pega.kddi.com 3 2026-06-16 2026-09-11 ok
dev-gouf.k-pega.kddi.com 3 2026-06-16 2026-09-11 ok
grafana.stg.k-pega.kddi.com 7 2026-06-15 2026-09-13 ok
loki.stg.k-pega.kddi.com 7 2026-06-15 2026-09-13 nxdomain
prometheus.stg.k-pega.kddi.com 7 2026-06-15 2026-09-13 nxdomain
stg-bpo1.pi.k-pega.kddi.com 1 2026-09-28 2026-09-28 nxdomain
bs3600.stg-bpo1.pi.k-pega.kddi.com 1 2026-09-28 2026-09-28 nxdomain
web-cellpj.stg-bpo1.pi.k-pega.kddi.com 1 2026-09-28 2026-09-28 nxdomain
utility-cellpj.stg-bpo1.pi.k-pega.kddi.com 1 2026-09-28 2026-09-28 nxdomain
kids.stg-bpo1.pi.k-pega.kddi.com 1 2026-09-28 2026-09-28 nxdomain
grafana.prd.pi.k-pega.kddi.com 1 2026-10-02 2026-10-02 ok
loki.prd.pi.k-pega.kddi.com 1 2026-10-02 2026-10-02 nxdomain
permission-manager.prd.pi.k-pega.kddi.com 1 2026-10-02 2026-10-02 ok
harbor.prd.pi.k-pega.kddi.com 1 2026-10-02 2026-10-02 ok
prometheus.prd.pi.k-pega.kddi.com 1 2026-10-02 2026-10-02 nxdomain
grafana.stg.pi.k-pega.kddi.com 4 2026-08-19 2026-09-18 ok
loki.stg.pi.k-pega.kddi.com 4 2026-08-19 2026-09-18 nxdomain

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/kddi.com.

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/kddi.com.