Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

100 hosts (first page) · 235 ms

HostCertsFirst seenLast seen
icscards.nl 1 2025-11-11 2025-11-11
voicebot-sbc-001.icscards.nl 1 2025-12-01 2025-12-01
edge1.icscards.nl 2 2026-03-30 2026-10-01
mig1.icscards.nl 2 2026-03-30 2026-10-01
ngfw-prod-02.icscards.nl 5 2025-11-24 2026-08-16
qa2.icscards.nl 1 2026-02-09 2026-02-09
www.qa2.icscards.nl 1 2026-02-09 2026-02-09
edge2.icscards.nl 2 2026-03-30 2026-10-01
mig2.icscards.nl 2 2026-03-30 2026-10-01
ws2.icscards.nl 3 2025-09-03 2026-08-18
test2.icscards.nl 1 2026-02-05 2026-02-05
www.test2.icscards.nl 1 2026-02-05 2026-02-05
tst2.icscards.nl 1 2026-02-05 2026-02-05
www.tst2.icscards.nl 1 2026-02-05 2026-02-05
www2.icscards.nl 1 2026-02-06 2026-02-06
panaroma.icscards.nl 2 2026-06-15 2026-06-22
qa.icscards.nl 2 2025-07-16 2026-07-02
sca-qa.icscards.nl 2 2025-07-22 2026-07-13
pdf-signing-qa.icscards.nl 1 2026-05-28 2026-05-28
ws2.qa.icscards.nl 3 2025-09-03 2026-08-18
abnamro-c.qa.icscards.nl 1 2026-06-10 2026-06-10
realtimeemail.qa.icscards.nl 1 2026-02-04 2026-02-04
wagtail-origin.qa.icscards.nl 2 2026-03-24 2026-09-28
iddashboard-q.qa.icscards.nl 1 2026-06-04 2026-06-04
abnamro-azads.qa.icscards.nl 1 2025-08-04 2025-08-04
assets.qa.icscards.nl 2 2026-02-19 2026-06-29
ws.qa.icscards.nl 3 2025-09-03 2026-08-18
www.qa.icscards.nl 2 2025-07-16 2026-07-02
smartdata.icscards.nl 7 2025-09-09 2026-08-18
demo.smartdata.icscards.nl 6 2025-09-09 2026-08-18
www.demo.smartdata.icscards.nl 6 2025-09-09 2026-08-18
www.smartdata.icscards.nl 7 2025-09-09 2026-08-18
vb.icscards.nl 1 2026-02-18 2026-02-18
vb-acc.icscards.nl 1 2026-02-19 2026-02-19
xtendis-acc.icscards.nl 1 2026-06-22 2026-06-22
apipartners-acc.icscards.nl 2 2025-09-17 2026-09-07
apipartners-dmz-acc.icscards.nl 1 2026-01-22 2026-01-22
voicebot-dmz-acc.icscards.nl 3 2025-10-07 2026-09-21
wsprod-enc.icscards.nl 2 2025-10-16 2026-10-05
www.wsprod-enc.icscards.nl 2 2025-10-16 2026-10-05
wstest-enc.icscards.nl 2 2025-10-16 2026-10-05
www.wstest-enc.icscards.nl 2 2025-10-16 2026-10-05
hybrid.icscards.nl 2 2026-03-30 2026-10-01
ac.financieelgezond.icscards.nl 3 2026-05-22 2026-08-06
ngfw-prod.icscards.nl 2 2026-06-15 2026-06-22
ngfw-nonprod.icscards.nl 2 2026-06-15 2026-06-22
wsprod.icscards.nl 3 2025-09-02 2026-08-17
www.wsprod.icscards.nl 3 2025-09-02 2026-08-17
service.icscards.nl 3 2025-09-26 2026-09-21
apipartners-acc.private.icscards.nl 2 2025-10-20 2026-10-06
apipartners.private.icscards.nl 2 2025-10-20 2026-10-06
apipartners-tst.private.icscards.nl 2 2025-10-20 2026-10-06
pdf-signing.icscards.nl 1 2026-05-28 2026-05-28
adcsigning.icscards.nl 1 2025-12-15 2025-12-15
abnamro-accountholder-riskrating.icscards.nl 1 2025-12-15 2025-12-15
icsmarketing.icscards.nl 10 2026-04-25 2026-08-21
pingfederation-oauth.icscards.nl 1 2026-02-04 2026-02-04
abnamroapi.icscards.nl 1 2026-06-15 2026-06-15
werkenbij.icscards.nl 4 2026-04-22 2026-09-17
www.werkenbij.icscards.nl 4 2026-04-22 2026-09-17
fmreturn.onderzoek.icscards.nl 3 2026-06-02 2026-08-17
mail.icscards.nl 2 2026-03-30 2026-10-01
realtimeemail.icscards.nl 1 2026-04-09 2026-04-09
webseal-nlb-rotaform.icscards.nl 1 2026-02-05 2026-02-05
wsprod-sign.icscards.nl 2 2025-10-20 2026-10-05
www.wsprod-sign.icscards.nl 2 2025-10-20 2026-10-05
wstest-sign.icscards.nl 2 2025-10-20 2026-10-05
www.wstest-sign.icscards.nl 2 2025-10-20 2026-10-05
wagtail-origin.icscards.nl 2 2026-03-24 2026-09-28
iddashboard-p.icscards.nl 1 2026-06-04 2026-06-04
abnamro-p.icscards.nl 1 2026-06-10 2026-06-10
nl.test.ap.icscards.nl 2 2025-07-24 2026-07-23
nl.qa.app.icscards.nl 2 2025-10-20 2026-09-08
www.nl.qa.app.icscards.nl 2 2025-10-20 2026-09-08
nl.app.icscards.nl 2 2025-09-17 2026-09-04
nl.test.app.icscards.nl 2 2025-07-24 2026-07-23
nl.tst.app.icscards.nl 2 2025-07-24 2026-07-23
autodiscover.icscards.nl 2 2026-03-30 2026-10-01
sca-pr.icscards.nl 2 2025-07-22 2026-07-13
xtendis.icscards.nl 1 2026-06-22 2026-06-22
apipartners.icscards.nl 3 2025-09-17 2026-09-07
assets.icscards.nl 2 2026-02-19 2026-06-30
ws.icscards.nl 3 2025-09-03 2026-08-18
test.icscards.nl 2 2025-07-24 2026-07-13
vb-test.icscards.nl 1 2026-02-19 2026-02-19
xtendis-test.icscards.nl 1 2026-02-17 2026-02-17
voicebot-dmz-test.icscards.nl 3 2025-10-07 2026-09-17
ws2.test.icscards.nl 3 2025-09-03 2026-08-24
abnamro-accountholder-riskrating.test.icscards.nl 2 2025-12-10 2025-12-11
abnamroapi.test.icscards.nl 2 2026-03-17 2026-09-17
wagtail-origin.test.icscards.nl 2 2026-03-24 2026-09-28
assets.test.icscards.nl 5 2026-05-06 2026-09-15
ws.test.icscards.nl 3 2025-09-03 2026-08-24
www.test.icscards.nl 2 2025-07-24 2026-07-13
wstest.icscards.nl 2 2025-08-19 2026-08-05
www.wstest.icscards.nl 2 2025-08-19 2026-08-05
sst.icscards.nl 4 2026-04-16 2026-09-21
tst.icscards.nl 2 2025-07-24 2026-07-13
apipartners-tst.icscards.nl 2 2025-09-17 2026-09-07
apipartners-dmz-tst.icscards.nl 1 2026-01-22 2026-01-22

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/icscards.nl.

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/icscards.nl.