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) · 641 ms

HostCertsFirst seenLast seenDNS
grundfos.com 14 2025-08-19 2026-09-18 ok
*.grundfos.com 9 2025-08-19 2026-09-18 —
gbj-lw01.grundfos.com 2 2026-03-19 2026-07-12 ok
gic-discovery-v1.grundfos.com 1 2026-03-09 2026-03-09 ok
dkdaluxrev02.grundfos.com 1 2026-03-09 2026-03-09 ok
api.subscriptiondelivery-v2.grundfos.com 1 2026-08-12 2026-08-12 ok
wwwsand04.grundfos.com 5 2026-05-14 2026-09-11 ok
ca.grundfos.com 5 2026-05-10 2026-09-08 ok
mfa.grundfos.com 5 2026-04-27 2026-08-26 ok
ma.grundfos.com 14 2026-04-30 2026-09-12 ok
enaqua.grundfos.com 11 2025-08-26 2026-08-05 ok
dkdynweb.grundfos.com 5 2026-05-10 2026-09-08 ok
ia-agent-hub.grundfos.com 1 2026-06-01 2026-06-01 nxdomain
gc.grundfos.com 5 2026-04-30 2026-08-28 ok
gimc.grundfos.com 2 2026-04-01 2026-09-29 ok
xiotservice.gimc.grundfos.com 1 2026-01-14 2026-01-14 ok
mq.gimc.grundfos.com 2 2025-09-03 2026-09-07 ok
xmq.gimc.grundfos.com 1 2026-01-14 2026-01-14 ok
diagnosis.gimc.grundfos.com 3 2025-06-27 2026-07-06 ok
uc.grundfos.com 5 2026-04-30 2026-08-28 ok
guc.grundfos.com 5 2026-04-30 2026-08-28 ok
api.guc.grundfos.com 5 2026-04-30 2026-08-28 ok
devapi.guc.grundfos.com 5 2026-05-03 2026-08-31 ok
caddownload.grundfos.com 1 2025-06-12 2025-06-12 ok
igrid.grundfos.com 5 2026-05-06 2026-09-03 ok
service.igrid.grundfos.com 5 2026-05-06 2026-09-03 ok
bccoredata-p-azwe.igrid.grundfos.com 5 2026-05-06 2026-09-03 ok
www.igrid.grundfos.com 5 2026-05-06 2026-09-03 ok
vpnsunderland.grundfos.com 2 2025-09-10 2026-02-03 ok
api-sand.grundfos.com 1 2026-06-02 2026-06-02 ok
apiexplorer-sand.grundfos.com 1 2026-06-02 2026-06-02 ok
pit-classifications-sand.grundfos.com 6 2025-11-21 2026-09-28 ok
p2playground.grundfos.com 1 2025-09-22 2025-09-22 ok
as2prod.grundfos.com 1 2026-01-28 2026-01-28 nxdomain
digitalqualitydashboard.grundfos.com 2 2025-07-16 2026-08-18 ok
password.grundfos.com 5 2026-04-27 2026-08-26 ok
firmware.gocloud.grundfos.com 3 2026-09-22 2026-09-22 ok
api.gocloud.grundfos.com 5 2026-04-24 2026-08-22 ok
apps.gocloud.grundfos.com 5 2026-05-17 2026-09-14 ok
avd.grundfos.com 5 2026-04-28 2026-08-26 ok
quickreplace.grundfos.com 5 2026-05-01 2026-08-27 ok
beta.quickreplace.grundfos.com 5 2026-05-11 2026-09-28 ok
us.beta.quickreplace.grundfos.com 3 2026-06-04 2026-08-13 ok
be.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
de.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
ee.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
ie.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
se.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
bg.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
ch.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
fi.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
si.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
dk.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
sk.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
uk.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
nl.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
pl.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
cn.quickreplace.grundfos.com 6 2026-04-21 2026-08-27 ok
no.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
ro.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
q.quickreplace.grundfos.com 2 2026-08-24 2026-08-24 ok
fr.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
gr.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
hr.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
es.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
us.quickreplace.grundfos.com 6 2026-04-21 2026-08-27 ok
at.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
it.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
lt.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
int.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
pt.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
hu.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
lu.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
lv.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
cz.quickreplace.grundfos.com 3 2026-06-17 2026-08-27 ok
office.grundfos.com 5 2026-04-27 2026-08-26 ok
notificationservice.grundfos.com 5 2026-05-04 2026-08-31 ok
api.transport-clients-voice.notificationservice.grundfos.com 4 2026-05-31 2026-07-30 ok
api.transport-clients-push.notificationservice.grundfos.com 4 2026-06-08 2026-10-06 ok
api.health.notificationservice.grundfos.com 4 2026-04-11 2026-08-09 ok
api.notificationservice.grundfos.com 4 2026-06-05 2026-10-03 ok
api.gatewayapi.notificationservice.grundfos.com 5 2026-05-27 2026-09-24 ok
api.admin.notificationservice.grundfos.com 7 2026-06-03 2026-10-01 ok
api.configuration.notificationservice.grundfos.com 5 2026-05-15 2026-09-12 ok
api.audit.notificationservice.grundfos.com 5 2026-06-05 2026-10-03 ok
assetservice.grundfos.com 5 2026-04-27 2026-08-25 ok
api.assetservice.grundfos.com 5 2026-04-27 2026-08-25 ok
alertservice.grundfos.com 10 2026-04-27 2026-09-15 ok
de.grundfos.com 5 2026-05-10 2026-09-08 ok
vpnadelaide.grundfos.com 1 2026-02-03 2026-02-03 ok
watercycle.grundfos.com 5 2026-05-22 2026-09-09 ok
de.watercycle.grundfos.com 5 2026-05-22 2026-09-09 ok
ch.watercycle.grundfos.com 5 2026-05-22 2026-09-09 ok
cn.watercycle.grundfos.com 5 2026-05-22 2026-09-09 ok
ru.watercycle.grundfos.com 5 2026-05-22 2026-09-09 ok
www.watercycle.grundfos.com 5 2026-05-22 2026-09-09 ok
rob-logicengine.grundfos.com 3 2026-02-21 2026-10-05 ok
frontline.grundfos.com 1 2025-11-06 2025-11-06 nodata
socialshare.grundfos.com 1 2026-06-25 2026-06-25 ok
vpnbrookshire.grundfos.com 1 2026-02-03 2026-02-03 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/grundfos.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/grundfos.com.