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.

35 hosts · 176 ms

HostCertsFirst seenLast seen
naffy.io 3 2025-06-20 2026-06-27
*.naffy.io 3 2025-06-20 2026-06-27
live.naffy.io 8 2026-06-09 2026-10-05
dash.naffy.io 8 2026-04-18 2026-08-14
portal.naffy.io 6 2026-06-02 2026-07-31
hello.naffy.io 2 2025-06-13 2026-05-13
*.hello.naffy.io 2 2025-06-13 2026-05-13
*.test.hello.naffy.io 2 2025-06-13 2026-05-13
*.dev.hello.naffy.io 2 2025-06-13 2026-05-13
*.demo.naffy.io 2 2025-06-20 2026-05-20
lp.naffy.io 3 2026-06-12 2026-08-26
help.naffy.io 7 2026-04-30 2026-09-08
bookings.naffy.io 2 2025-06-22 2026-05-22
*.bookings.naffy.io 2 2025-06-22 2026-05-22
*.test.bookings.naffy.io 2 2025-06-22 2026-05-22
*.dev.bookings.naffy.io 2 2025-06-22 2026-05-22
meet.naffy.io 2 2026-04-29 2026-09-29
*.meet.naffy.io 2 2026-04-29 2026-09-29
*.test.naffy.io 2 2025-06-20 2026-05-20
ghost.naffy.io 4 2026-04-13 2026-08-11
*.eu.naffy.io 1 2026-02-12 2026-02-12
ai-api-1.eu.naffy.io 5 2026-05-25 2026-09-21
stream-1.eu.naffy.io 5 2026-05-18 2026-09-14
meet-1.eu.naffy.io 5 2026-05-21 2026-09-19
email.mg.crm.eu.naffy.io 5 2026-05-09 2026-09-06
meet.eu.naffy.io 4 2026-05-04 2026-08-31
*.test.eu.naffy.io 1 2026-02-12 2026-02-12
homepage.test.eu.naffy.io 4 2026-05-04 2026-07-03
email.mg.crm.test.eu.naffy.io 4 2026-06-10 2026-10-08
*.dev.eu.naffy.io 1 2026-02-12 2026-02-12
dash.dev.eu.naffy.io 4 2026-06-29 2026-08-27
email.mg.crm.dev.eu.naffy.io 4 2026-06-10 2026-10-08
homepage-cms.dev.eu.naffy.io 5 2026-05-13 2026-09-11
*.dev.naffy.io 2 2025-06-20 2026-05-20
www.naffy.io 10 2026-04-18 2026-08-15

Programmatic access: API GET /v1/hosts/naffy.io (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/naffy.io.