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) · 205 ms

HostCertsFirst seenLast seen
elisa.fi 2 2026-03-11 2026-08-24
wp10.elisa.fi 1 2026-04-07 2026-04-07
www.wp10.elisa.fi 1 2026-04-07 2026-04-07
mac01.elisa.fi 2 2025-07-14 2026-06-14
boomimolecule01.elisa.fi 2 2025-07-27 2026-07-28
therefore01.elisa.fi 2 2025-07-22 2026-07-20
www.therefore01.elisa.fi 1 2025-07-22 2025-07-22
rsa1.elisa.fi 3 2025-09-16 2026-09-16
fs-lab1.elisa.fi 2 2026-04-22 2026-04-22
*.ringlab1.elisa.fi 1 2026-09-11 2026-09-11
mob1.elisa.fi 2 2025-07-29 2026-07-29
*.mob1.elisa.fi 2 2025-07-29 2026-07-29
cprx11.mob1.elisa.fi 2 2026-03-16 2026-09-23
www.cprx11.mob1.elisa.fi 2 2026-03-16 2026-09-23
cprx1.mob1.elisa.fi 1 2026-02-17 2026-02-17
www.cprx1.mob1.elisa.fi 1 2026-02-17 2026-02-17
efac1.elisa.fi 3 2025-09-18 2025-09-18
api-viihde-gateway.dc1.elisa.fi 2 2025-08-25 2026-08-03
iiq-prod-ui1.elisa.fi 4 2026-03-18 2026-09-28
iiq-prod-task1.elisa.fi 4 2026-03-18 2026-09-28
mail1.elisa.fi 3 2025-07-22 2026-07-20
vpnpremium1.elisa.fi 1 2025-10-16 2025-10-16
www.vpnpremium1.elisa.fi 1 2025-10-16 2025-10-16
efvpn1.elisa.fi 1 2025-10-31 2025-10-31
beluat1.elisa.fi 2 2026-04-28 2026-05-07
mx1.elisa.fi 1 2026-05-06 2026-05-06
boomicluster02.elisa.fi 1 2026-06-08 2026-06-08
rsa2.elisa.fi 3 2025-09-16 2026-09-16
mob2.elisa.fi 1 2026-01-20 2026-01-20
*.mob2.elisa.fi 1 2026-01-20 2026-01-20
cprx1.mob2.elisa.fi 1 2026-02-17 2026-02-17
www.cprx1.mob2.elisa.fi 1 2026-02-17 2026-02-17
iiq-prod-task2.elisa.fi 4 2026-03-18 2026-09-28
ocsfdcintegr2.elisa.fi 2 2025-07-16 2026-07-16
www.ocsfdcintegr2.elisa.fi 2 2025-07-16 2026-07-16
beluat2.elisa.fi 2 2026-04-28 2026-05-07
gtm-test2.elisa.fi 3 2026-05-09 2026-08-25
mx2.elisa.fi 1 2026-05-06 2026-05-06
*.ringlab3.elisa.fi 3 2025-07-17 2026-08-10
cprx1.ringlab3.elisa.fi 2 2025-09-16 2026-09-17
www.cprx1.ringlab3.elisa.fi 2 2025-09-16 2026-09-17
mob3.elisa.fi 1 2026-01-27 2026-01-27
*.mob3.elisa.fi 1 2026-01-27 2026-01-27
cprx11.mob3.elisa.fi 1 2026-01-14 2026-01-14
www.cprx11.mob3.elisa.fi 1 2026-01-14 2026-01-14
cprx1.mob3.elisa.fi 1 2026-02-17 2026-02-17
www.cprx1.mob3.elisa.fi 1 2026-02-17 2026-02-17
*.ringlab4.elisa.fi 1 2025-11-19 2025-11-19
cprx1.ringlab4.elisa.fi 1 2026-06-25 2026-06-25
www.cprx1.ringlab4.elisa.fi 1 2026-06-25 2026-06-25
bmbi25.elisa.fi 4 2025-08-28 2026-09-05
vpnpremium5.elisa.fi 3 2025-09-16 2026-09-18
www.vpnpremium5.elisa.fi 3 2025-09-16 2026-09-18
tuhattarinaa.elisa.fi 1 2026-02-05 2026-02-05
lataa.elisa.fi 2 2026-01-16 2026-05-15
*.eca.elisa.fi 4 2026-09-15 2026-09-15
da.elisa.fi 4 2025-07-04 2026-07-31
*.da.elisa.fi 55 2025-07-04 2026-10-06
ge-stt-poc.da.elisa.fi 4 2026-04-23 2026-09-30
pllm.playground.da.elisa.fi 1 2026-09-18 2026-09-18
looker.da.elisa.fi 5 2026-04-17 2026-09-25
ge-stt.da.elisa.fi 5 2026-04-22 2026-10-03
looker-dev.da.elisa.fi 5 2026-06-01 2026-09-18
idea.elisa.fi 4 2026-04-19 2026-08-17
ai-galleria.elisa.fi 4 2026-02-20 2026-10-04
apaja.elisa.fi 1 2025-10-22 2025-10-22
www.apaja.elisa.fi 1 2025-10-22 2025-10-22
alysarja.elisa.fi 1 2026-08-26 2026-08-26
qa2kirja.elisa.fi 1 2026-01-16 2026-01-16
qakirja.elisa.fi 1 2025-07-04 2025-07-04
mytikka.elisa.fi 1 2026-06-15 2026-06-15
palloonsulla.elisa.fi 5 2026-05-24 2026-09-06
crema.elisa.fi 1 2026-02-03 2026-02-03
kulma.elisa.fi 2 2025-09-03 2026-08-03
test-kulma.elisa.fi 2 2025-09-02 2026-07-31
emma.elisa.fi 2 2025-10-03 2026-10-05
www.emma.elisa.fi 2 2025-10-03 2026-10-05
oma.elisa.fi 1 2026-02-05 2026-02-05
aspa.oma.elisa.fi 1 2026-01-13 2026-01-13
www.aspa.oma.elisa.fi 1 2026-01-13 2026-01-13
elias.oma.elisa.fi 2 2025-07-29 2026-07-28
www.elias.oma.elisa.fi 2 2025-07-29 2026-07-28
pet3trunk.test.oma.elisa.fi 1 2026-07-03 2026-07-03
coco-grafana.elisa.fi 1 2025-11-27 2025-11-27
digrafana.elisa.fi 3 2026-06-30 2026-08-29
dnigrafana.elisa.fi 2 2026-03-23 2026-10-06
cnografana.elisa.fi 3 2026-04-20 2026-09-14
parastalivena.elisa.fi 5 2026-06-08 2026-09-21
pilvilinna.elisa.fi 2 2026-03-06 2026-08-19
kauppa.elisa.fi 2 2026-03-02 2026-08-17
login.kauppa.elisa.fi 1 2026-01-02 2026-01-02
deewar.rpa.elisa.fi 1 2025-10-02 2025-10-02
deewar-test.rpa.elisa.fi 2 2025-10-02 2026-04-05
spa.elisa.fi 2 2026-09-09 2026-09-29
*.hypa.elisa.fi 13 2026-04-30 2026-10-01
tiikeri-vara.elisa.fi 1 2026-02-13 2026-02-13
cra.elisa.fi 5 2025-08-06 2026-10-02
www.cra.elisa.fi 1 2025-08-06 2025-08-06
vainukoira.elisa.fi 1 2025-07-16 2025-07-16
www.vainukoira.elisa.fi 1 2025-07-16 2025-07-16

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/elisa.fi.

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/elisa.fi.