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.

35 hosts · 391 ms

HostCertsFirst seenLast seenDNS
bgv.ch 16 2026-04-22 2026-09-28 ok
*.bgv.ch 16 2026-04-22 2026-09-28 —
expe001.bgv.ch 5 2026-04-29 2026-08-27 ok
2021.bgv.ch 5 2026-04-27 2026-08-26 ok
2022.bgv.ch 5 2026-04-27 2026-08-26 ok
2023.bgv.ch 5 2026-04-27 2026-08-26 ok
2024.bgv.ch 4 2026-04-07 2026-08-06 ok
2025.bgv.ch 5 2026-04-13 2026-08-12 ok
jira.bgv.ch 5 2026-05-09 2026-09-06 ok
confluence.bgv.ch 5 2026-05-09 2026-09-06 ok
collab-edge.bgv.ch 5 2026-04-29 2026-08-27 ok
vpne.bgv.ch 1 2026-04-22 2026-04-22 ok
gwe.bgv.ch 1 2026-04-22 2026-04-22 ok
umfrage-schaetzung.bgv.ch 1 2025-11-30 2025-11-30 ok
vdi.bgv.ch 1 2026-04-22 2026-04-22 ok
www.vdi.bgv.ch 1 2026-04-22 2026-04-22 nxdomain
vpni.bgv.ch 1 2026-04-22 2026-04-22 ok
asgsapi.bgv.ch 4 2026-04-16 2026-08-14 ok
gwi.bgv.ch 1 2026-04-22 2026-04-22 ok
mta-sts.jobportal.bgv.ch 4 2026-04-10 2026-08-10 ok
webmail.bgv.ch 1 2026-04-22 2026-04-22 ok
umfrage-schaden.bgv.ch 1 2025-11-30 2025-11-30 ok
autodiscover.bgv.ch 1 2026-04-22 2026-04-22 ok
jobs.bgv.ch 2 2026-05-31 2026-08-09 ok
bgv-portal.jobs.bgv.ch 3 2026-05-03 2026-10-03 ok
asgs.bgv.ch 4 2026-04-16 2026-08-14 ok
mta-sts.bgv.ch 4 2026-04-19 2026-08-20 ok
sirius.bgv.ch 1 2026-01-14 2026-01-14 ok
www.sirius.bgv.ch 1 2026-01-14 2026-01-14 nxdomain
connect.bgv.ch 1 2026-04-22 2026-04-22 ok
extranet.bgv.ch 10 2026-04-16 2026-09-15 ok
advent.bgv.ch 5 2026-04-27 2026-08-26 ok
connect-test.bgv.ch 1 2026-04-22 2026-04-22 nxdomain
connect-ext-test.bgv.ch 1 2026-04-22 2026-04-22 nxdomain
connect-ext.bgv.ch 1 2026-04-22 2026-04-22 ok

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