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.

30 hosts · 326 ms

HostCertsFirst seenLast seenDNS
saturn.de 8 2026-02-23 2026-09-16 ok
*.saturn.de 8 2026-02-23 2026-09-16 —
auth-qa.saturn.de 3 2026-04-28 2026-08-20 ok
mdc.saturn.de 4 2026-04-10 2026-09-22 ok
gutscheincard.saturn.de 9 2026-04-10 2026-10-05 ok
b2bgutscheincard.saturn.de 11 2026-04-09 2026-10-04 ok
cloud.saturn.de 2 2025-08-07 2026-07-30 ok
ankaufservice.saturn.de 5 2026-04-27 2026-08-28 ok
fotoservice.saturn.de 5 2026-04-30 2026-08-27 ok
m.fotoservice.saturn.de 5 2026-04-30 2026-08-27 ok
handytarife.saturn.de 3 2026-04-29 2026-08-13 ok
hilfe.saturn.de 1 2026-05-13 2026-05-13 ok
store.saturn.de 5 2026-05-02 2026-08-28 ok
prospekte.saturn.de 69 2026-04-20 2026-08-14 ok
widerruf.saturn.de 5 2026-05-18 2026-09-15 ok
reparaturauftrag.saturn.de 5 2026-05-18 2026-09-15 ok
tracking.saturn.de 1 2026-04-17 2026-04-17 ok
hb.tracking.saturn.de 1 2026-04-17 2026-04-17 ok
de.tracking.saturn.de 2 2025-09-09 2026-08-27 ok
m.tracking.saturn.de 1 2026-04-17 2026-04-17 ok
ber.tracking.saturn.de 1 2026-01-19 2026-01-19 ok
auth.saturn.de 3 2026-05-06 2026-08-24 ok
cloud-auth.saturn.de 2 2025-08-07 2026-07-30 ok
pvn.saturn.de 6 2025-10-10 2026-09-11 ok
app.saturn.de 6 2026-05-19 2026-09-15 ok
pickup.saturn.de 5 2026-04-11 2026-09-21 ok
auth-int.saturn.de 5 2026-04-26 2026-10-03 ok
rast.saturn.de 4 2026-05-15 2026-08-01 ok
service-my.saturn.de 6 2026-02-18 2026-09-02 ok
delivery.saturn.de 2 2026-07-03 2026-08-25 ok

Programmatic access, with DNS A records: API GET /v1/hosts/saturn.de (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/saturn.de.