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.

16 hosts · 287 ms

HostCertsFirst seenLast seenDNS
qualiflex.com.br 10 2025-07-28 2026-09-18 ok
*.qualiflex.com.br 7 2025-07-28 2026-09-18 —
loja.qualiflex.com.br 2 2026-07-25 2026-07-25 ok
copa.qualiflex.com.br 3 2026-06-19 2026-08-18 ok
backoffice.qualiflex.com.br 5 2026-05-28 2026-08-19 ok
api.qualiflex.com.br 7 2026-06-28 2026-09-19 ok
portalcigam.qualiflex.com.br 6 2026-07-10 2026-07-25 ok
showdomilhao.qualiflex.com.br 1 2026-10-05 2026-10-05 ok
apolo.qualiflex.com.br 5 2026-06-20 2026-09-11 ok
servidor.qualiflex.com.br 4 2026-07-20 2026-07-25 ok
jogos.qualiflex.com.br 1 2026-10-05 2026-10-05 ok
mta-sts.qualiflex.com.br 3 2026-06-24 2026-09-15 ok
agent.qualiflex.com.br 4 2026-04-16 2026-09-29 ok
tv.qualiflex.com.br 2 2026-07-26 2026-07-26 ok
www.qualiflex.com.br 3 2026-05-23 2026-08-14 ok
tex.qualiflex.com.br 2 2026-05-15 2026-05-15 nxdomain

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