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 · 324 ms

HostCertsFirst seenLast seenDNS
suqqu.com 3 2025-07-16 2026-06-15 nodata
*.suqqu.com 2 2025-07-16 2026-06-15 —
td-ssc.suqqu.com 2 2025-06-16 2026-05-17 ok
hk.suqqu.com 5 2026-05-18 2026-09-15 ok
uk.suqqu.com 13 2026-05-17 2026-09-27 ok
login.suqqu.com 2 2025-07-29 2026-06-29 ok
staging3-onlineshop.suqqu.com 1 2025-12-12 2025-12-12 ok
www.staging3-onlineshop.suqqu.com 1 2025-12-12 2025-12-12 nxdomain
press.suqqu.com 2 2026-04-14 2026-09-14 ok
www.suqqu.com 1 2026-03-02 2026-03-02 ok
staging2-www.suqqu.com 1 2026-03-02 2026-03-02 ok
www.staging2-www.suqqu.com 1 2026-03-02 2026-03-02 nxdomain
staging-www.suqqu.com 1 2026-03-02 2026-03-02 ok
www.staging-www.suqqu.com 1 2026-03-02 2026-03-02 nxdomain

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