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.

20 hosts · 302 ms

HostCertsFirst seenLast seenDNS
maicoin.com 11 2025-08-07 2026-08-27 ok
*.maicoin.com 54 2025-08-09 2026-10-04 —
f.maicoin.com 2 2026-03-20 2026-08-20 ok
blog.maicoin.com 5 2026-05-10 2026-09-11 ok
commonwealth.maicoin.com 5 2026-05-25 2026-09-22 ok
maiami.maicoin.com 4 2026-06-21 2026-09-18 ok
api.maicoin.com 12 2025-08-07 2026-09-06 ok
stag-toro-api.maicoin.com 14 2026-05-20 2026-09-15 ok
max-api.maicoin.com 13 2025-08-07 2026-09-06 ok
stag-max-api.maicoin.com 16 2026-05-20 2026-09-15 ok
cm.maicoin.com 1 2026-01-12 2026-01-12 ok
campaign.maicoin.com 12 2026-04-14 2026-08-10 ok
intro.maicoin.com 12 2026-04-11 2026-10-05 ok
group.maicoin.com 8 2026-04-17 2026-08-13 ok
support.maicoin.com 10 2026-05-29 2026-09-24 ok
trust.maicoin.com 12 2026-04-12 2026-10-06 ok
www.maicoin.com 5 2025-08-07 2026-08-27 ok
status-www.maicoin.com 10 2026-05-08 2026-09-05 ok
max.maicoin.com 2 2025-08-07 2026-08-27 ok
status-max.maicoin.com 42 2026-04-13 2026-09-05 ok

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