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.

26 hosts · 392 ms

HostCertsFirst seenLast seenDNS
uhaul.com 1 2026-04-28 2026-04-28 servfail
*.uhaul.com 1 2026-04-28 2026-04-28 —
telecom-sbc-1.uhaul.com 1 2026-09-11 2026-09-11 nxdomain
www.telecom-sbc-1.uhaul.com 1 2026-09-11 2026-09-11 nxdomain
sgclick.umail2.uhaul.com 1 2026-01-15 2026-01-15 servfail
link.umail2.uhaul.com 1 2026-03-31 2026-03-31 ok
link.umail3.uhaul.com 1 2026-03-31 2026-03-31 ok
propertyd.uhaul.com 2 2026-05-13 2026-09-05 ok
teamsphone.uhaul.com 1 2026-05-26 2026-05-26 ok
truckshare.uhaul.com 1 2025-11-20 2025-11-20 ok
*.truckshare.uhaul.com 1 2025-11-20 2025-11-20 —
fr.truckshare.uhaul.com 3 2026-06-29 2026-08-29 ok
es.truckshare.uhaul.com 3 2026-06-29 2026-08-30 ok
link.umail.uhaul.com 1 2026-03-31 2026-03-31 ok
app.uhaul.com 16 2026-05-22 2026-09-17 ok
sp.uhaul.com 1 2025-12-06 2025-12-06 ok
*.sp.uhaul.com 2 2026-04-09 2026-09-09 —
graph.sp.uhaul.com 3 2025-10-24 2026-09-24 ok
star.uhaul.com 1 2026-04-28 2026-04-28 servfail
fr.uhaul.com 3 2026-06-29 2026-08-29 ok
qr.uhaul.com 1 2026-01-17 2026-01-17 ok
es.uhaul.com 3 2026-06-29 2026-08-29 ok
videos.uhaul.com 11 2026-05-31 2026-09-26 ok
investors.uhaul.com 8 2026-05-11 2026-09-06 ok
status.uhaul.com 5 2026-04-25 2026-08-22 ok
waft.uhaul.com 2 2026-06-04 2026-06-04 ok

Programmatic access, with DNS A records: API GET /v1/hosts/uhaul.com (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/uhaul.com.