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.

44 hosts · 323 ms

HostCertsFirst seenLast seenDNS
galaxus.ch 31 2026-04-13 2026-10-04 ok
*.galaxus.ch 18 2026-04-16 2026-09-03 —
abosv2.galaxus.ch 1 2026-04-13 2026-04-13 nxdomain
test-abosv2.galaxus.ch 1 2026-04-13 2026-04-13 nxdomain
ariba.galaxus.ch 4 2026-05-18 2026-10-04 ok
test-ariba.galaxus.ch 4 2026-05-18 2026-10-04 ok
data.galaxus.ch 4 2026-05-18 2026-10-04 ok
ub.galaxus.ch 4 2026-05-18 2026-10-04 ok
test-ub.galaxus.ch 5 2026-04-13 2026-09-10 ok
ud.galaxus.ch 4 2026-05-18 2026-10-04 ok
test-ud.galaxus.ch 5 2026-04-13 2026-09-10 ok
insurance.galaxus.ch 4 2025-08-11 2026-09-06 ok
*.insurance.galaxus.ch 2 2025-08-11 2026-07-12 —
links.resale.galaxus.ch 3 2026-06-09 2026-08-18 ok
mobile.galaxus.ch 5 2026-05-18 2026-09-15 ok
helpcenter.mobile.galaxus.ch 5 2026-05-12 2026-09-09 ok
www.mobile.galaxus.ch 5 2026-05-18 2026-09-15 ok
roaming.galaxus.ch 5 2026-05-02 2026-10-02 ok
lnk.galaxus.ch 3 2026-06-09 2026-08-18 ok
mcp.galaxus.ch 3 2026-07-14 2026-08-21 ok
test-mcp.galaxus.ch 3 2026-07-14 2026-08-21 ok
erp.galaxus.ch 2 2026-04-13 2026-09-29 nxdomain
ftp.galaxus.ch 2 2025-08-12 2026-09-10 ok
partner.galaxus.ch 7 2026-04-13 2026-09-29 ok
test-partner.galaxus.ch 7 2026-04-13 2026-09-29 ok
dev-partner.galaxus.ch 2 2026-04-13 2026-09-29 nodata
helpcenter.galaxus.ch 5 2026-05-12 2026-09-09 ok
links.newsletter.galaxus.ch 3 2026-06-09 2026-08-18 ok
links.galaxus.ch 3 2026-06-09 2026-08-18 ok
links.notifications.galaxus.ch 3 2026-06-09 2026-08-18 ok
links.coupons.galaxus.ch 3 2026-06-09 2026-08-18 ok
abos.galaxus.ch 6 2026-04-23 2026-08-21 ok
test-abos.galaxus.ch 1 2026-08-21 2026-08-21 ok
helpcenter.abos.galaxus.ch 5 2026-05-12 2026-09-09 ok
www.abos.galaxus.ch 3 2026-06-11 2026-08-20 ok
links.productnews.galaxus.ch 3 2026-06-09 2026-08-18 ok
cockpit.galaxus.ch 5 2026-06-01 2026-09-29 ok
tv.galaxus.ch 4 2026-04-13 2026-09-14 ok
www.tv.galaxus.ch 3 2026-04-13 2026-04-13 nxdomain
www.galaxus.ch 13 2026-04-13 2026-10-04 ok
test-www.galaxus.ch 13 2026-04-13 2026-10-04 ok
dev-www.galaxus.ch 2 2026-04-13 2026-09-29 nodata
links.community.galaxus.ch 3 2026-06-09 2026-08-18 ok
links.security.galaxus.ch 3 2026-06-09 2026-08-18 ok

Programmatic access, with DNS A records: API GET /v1/hosts/galaxus.ch (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/galaxus.ch.