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.

50 hosts · 387 ms

HostCertsFirst seenLast seenDNS
allianz.sk 10 2025-08-08 2026-08-12 ok
aspws-test2.allianz.sk 6 2026-03-30 2026-08-16 nxdomain
nadacia.allianz.sk 6 2026-05-08 2026-09-25 ok
uat.nadacia.allianz.sk 4 2025-10-03 2026-08-24 ok
test.nadacia.allianz.sk 4 2025-10-03 2026-08-24 ok
dev.nadacia.allianz.sk 2 2026-07-07 2026-08-20 nxdomain
kta.allianz.sk 11 2025-08-09 2026-08-21 ok
voc.allianz.sk 5 2026-03-05 2026-08-20 ok
obchod.allianz.sk 1 2026-01-28 2026-01-28 ok
online.allianz.sk 6 2025-11-09 2026-09-12 ok
uat.online.allianz.sk 6 2025-11-21 2026-08-25 ok
test.online.allianz.sk 8 2025-07-30 2026-09-19 ok
paybysquare.allianz.sk 6 2026-03-30 2026-08-16 nxdomain
tracking.mailing.allianz.sk 5 2026-04-09 2026-10-03 ok
unifi.allianz.sk 2 2025-07-10 2026-07-22 ok
wsapi.allianz.sk 7 2026-03-30 2026-09-14 ok
test.wsapi.allianz.sk 7 2026-03-30 2026-09-14 ok
unifisk.allianz.sk 2 2025-07-10 2026-07-22 ok
portal.allianz.sk 11 2025-08-26 2026-08-25 ok
mail.allianz.sk 1 2026-04-29 2026-04-29 ok
*.mail.allianz.sk 2 2026-07-15 2026-07-15 —
m.mail.allianz.sk 11 2025-06-06 2026-06-25 ok
res.mail.allianz.sk 10 2025-06-06 2026-06-25 ok
t.mail.allianz.sk 10 2025-06-06 2026-06-25 ok
portalskol.allianz.sk 5 2026-03-30 2026-09-14 ok
login.allianz.sk 10 2025-08-26 2026-08-21 ok
lp.allianz.sk 4 2026-06-03 2026-10-02 ok
app.allianz.sk 7 2026-03-26 2026-09-25 ok
uat.app.allianz.sk 4 2025-10-03 2026-08-24 ok
test.app.allianz.sk 4 2025-10-03 2026-08-24 ok
dev.app.allianz.sk 2 2026-07-07 2026-08-20 nxdomain
aspws.allianz.sk 7 2025-09-19 2026-09-21 ok
ct.allianz.sk 10 2025-08-26 2026-08-21 ok
account.allianz.sk 10 2025-08-26 2026-08-21 ok
uat.account.allianz.sk 5 2025-09-19 2026-09-21 ok
test.account.allianz.sk 5 2025-09-19 2026-09-21 ok
pilot.allianz.sk 6 2025-12-10 2026-08-20 ok
onlinepilot.allianz.sk 5 2025-12-10 2026-06-11 ok
aspws-test.allianz.sk 6 2025-09-19 2026-09-21 ok
ct-test.allianz.sk 5 2025-11-10 2026-09-14 ok
ktatest.allianz.sk 6 2025-08-09 2026-09-14 ok
onlinetest.allianz.sk 5 2025-08-23 2026-09-14 nxdomain
portaltest.allianz.sk 6 2025-11-10 2026-09-14 ok
logintest.allianz.sk 5 2025-11-10 2026-09-14 ok
accounttest.allianz.sk 3 2025-12-10 2026-06-17 nxdomain
portalswt.allianz.sk 9 2025-09-19 2026-09-21 nxdomain
portaltestswt.allianz.sk 3 2025-09-19 2026-09-21 nxdomain
ktadev.allianz.sk 4 2026-02-13 2026-08-24 ok
www.allianz.sk 20 2025-08-26 2026-09-02 ok
kurzy.allianz.sk 2 2026-02-25 2026-06-17 ok

Programmatic access, with DNS A records: API GET /v1/hosts/allianz.sk (API key for paging).

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/allianz.sk.