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.

17 hosts · 262 ms

HostCertsFirst seenLast seenDNS
osmand.net 6 2026-05-17 2026-09-22 ok
dl2.osmand.net 5 2026-05-01 2026-08-29 ok
dl3.osmand.net 5 2026-05-19 2026-09-16 ok
dl4.osmand.net 5 2026-05-03 2026-08-31 ok
dl8.osmand.net 4 2026-04-14 2026-08-12 ok
dl9.osmand.net 4 2026-04-15 2026-08-13 ok
data.osmand.net 5 2026-06-05 2026-10-03 ok
download.osmand.net 6 2026-05-17 2026-09-22 ok
tile.osmand.net 5 2026-05-06 2026-09-03 ok
maptile.osmand.net 5 2026-04-24 2026-08-22 ok
live.osmand.net 1 2026-09-22 2026-09-22 ok
builder.osmand.net 5 2026-06-04 2026-10-02 ok
docs.osmand.net 5 2026-05-29 2026-09-26 ok
veles.osmand.net 3 2026-06-17 2026-08-31 ok
intranet.osmand.net 5 2026-04-24 2026-08-22 ok
test.osmand.net 5 2026-05-24 2026-09-21 ok
www.osmand.net 6 2026-05-17 2026-09-22 ok

Programmatic access, with DNS A records: API GET /v1/hosts/osmand.net (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/osmand.net.