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.

14 hosts · 360 ms

HostCertsFirst seenLast seenDNS
zohosites.com 20 2026-04-22 2026-09-12 ok
*.zohosites.com 10 2026-04-22 2026-08-20 —
zhsv3.zohosites.com 14 2026-05-11 2026-09-08 ok
*.zhsv3.zohosites.com 14 2026-05-11 2026-09-08 —
covid-19.zohosites.com 8 2026-04-16 2026-09-04 ok
sugah.zohosites.com 5 2026-05-05 2026-10-04 ok
ztraveldesk.zohosites.com 6 2026-05-04 2026-10-03 ok
internal.zohosites.com 16 2026-05-15 2026-09-12 ok
kalvifm.zohosites.com 6 2026-05-04 2026-10-03 ok
thisisimran.zohosites.com 5 2026-05-05 2026-10-04 ok
store.claudedelvin.zohosites.com 7 2026-05-05 2026-10-04 ok
mailers.zohosites.com 10 2026-05-15 2026-09-12 ok
users.zohosites.com 10 2026-05-15 2026-09-12 ok
www.zohosites.com 10 2026-05-15 2026-09-12 ok

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