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.

25 hosts · 258 ms

HostCertsFirst seenLast seenDNS
grawe.at 27 2025-09-26 2026-10-07 ok
*.grawe.at 19 2026-03-01 2026-09-29 —
fatca.grawe.at 1 2025-12-22 2025-12-22 ok
www.fatca.grawe.at 1 2025-12-22 2025-12-22 nxdomain
ucweb.grawe.at 3 2025-07-23 2026-07-28 nxdomain
www.ucweb.grawe.at 3 2025-07-23 2026-07-28 nxdomain
sfb.grawe.at 3 2025-07-23 2026-07-28 nxdomain
uc.grawe.at 3 2025-07-23 2026-07-28 nxdomain
mobile.grawe.at 1 2026-01-07 2026-01-07 ok
www.mobile.grawe.at 1 2026-01-07 2026-01-07 nxdomain
atdmzimmexpe.grawe.at 2 2025-09-26 2026-10-07 ok
www.atdmzimmexpe.grawe.at 2 2025-09-26 2026-10-07 nxdomain
webconf.grawe.at 3 2025-07-23 2026-07-28 nxdomain
leasing.grawe.at 1 2025-11-16 2025-11-16 ok
www.leasing.grawe.at 1 2025-11-16 2025-11-16 nxdomain
boi.grawe.at 1 2026-03-24 2026-03-24 ok
www.boi.grawe.at 1 2026-03-24 2026-03-24 nxdomain
check.grawe.at 5 2026-04-24 2026-08-22 ok
eurolink.grawe.at 2 2026-04-20 2026-10-04 ok
www.eurolink.grawe.at 2 2026-04-20 2026-10-04 nxdomain
sip.grawe.at 3 2025-07-23 2026-07-28 nxdomain
www.sip.grawe.at 3 2025-07-23 2026-07-28 nxdomain
lyncdiscover.grawe.at 3 2025-07-23 2026-07-28 nxdomain
ots.grawe.at 6 2026-04-29 2026-10-01 ok
st.grawe.at 3 2026-05-28 2026-09-12 ok

Programmatic access, with DNS A records: API GET /v1/hosts/grawe.at (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/grawe.at.