Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

9 hosts · 331 ms

HostCertsFirst seenLast seen
xda-developers.com 9 2026-04-12 2026-09-09
*.xda-developers.com 19 2026-04-12 2026-09-24
t13.xda-developers.com 3 2026-06-08 2026-08-04
xdb.xda-developers.com 3 2026-10-01 2026-10-07
wiki.xda-developers.com 4 2026-04-15 2026-08-13
sli.xda-developers.com 2 2026-02-25 2026-07-13
shop.xda-developers.com 4 2026-05-07 2026-05-14
click.newsletter.xda-developers.com 2 2026-08-17 2026-08-17
depot.xda-developers.com 4 2026-05-07 2026-05-14

Programmatic access: API GET /v1/hosts/xda-developers.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/xda-developers.com.