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.

22 hosts · 347 ms

HostCertsFirst seenLast seenDNS
wandoo.pl 23 2025-09-04 2026-09-26 ok
*.wandoo.pl 35 2026-04-22 2026-09-26 —
grafana.wandoo.pl 5 2026-05-09 2026-09-06 ok
lb.grafana.wandoo.pl 5 2026-05-09 2026-09-06 ok
*.db.wandoo.pl 16 2026-04-22 2026-08-18 —
*.lb.wandoo.pl 16 2026-04-22 2026-08-18 —
*.vcc.wandoo.pl 16 2026-04-22 2026-08-18 —
old.wandoo.pl 3 2026-05-02 2026-08-31 ok
*.storage.wandoo.pl 16 2026-04-22 2026-08-18 —
*.blog-admin.wandoo.pl 16 2026-04-22 2026-08-18 —
*.admin.wandoo.pl 16 2026-04-22 2026-08-18 —
*.mq.wandoo.pl 16 2026-04-22 2026-08-18 —
*.docker.wandoo.pl 16 2026-04-22 2026-08-18 —
*.scheduler.wandoo.pl 7 2026-05-08 2026-09-15 —
converter.wandoo.pl 4 2026-04-16 2026-08-14 ok
lb.converter.wandoo.pl 4 2026-04-16 2026-08-14 ok
s.wandoo.pl 3 2026-06-29 2026-08-28 ok
*.stubs.wandoo.pl 16 2026-04-22 2026-08-18 —
payout.wandoo.pl 5 2026-05-19 2026-09-16 nodata
www.wandoo.pl 2 2025-09-04 2026-08-18 ok
survey.wandoo.pl 9 2026-05-14 2026-09-09 ok
*.survey.wandoo.pl 9 2026-05-14 2026-09-09 —

Programmatic access, with DNS A records: API GET /v1/hosts/wandoo.pl (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/wandoo.pl.