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.

25 hosts · 327 ms

HostCertsFirst seenLast seenDNS
trafiko.se 5 2026-04-25 2026-08-29 ok
*.trafiko.se 1 2026-06-12 2026-06-12 —
prod.trafiko.se 4 2026-02-25 2026-07-27 ok
meilisearch-prod.trafiko.se 5 2026-05-15 2026-09-20 ok
pdf.trafiko.se 1 2026-02-04 2026-02-04 ok
staging.trafiko.se 4 2025-10-30 2026-09-29 ok
pdf-staging.trafiko.se 1 2026-02-04 2026-02-04 ok
clicks.mail.trafiko.se 2 2026-02-26 2026-07-14 ok
cdn.trafiko.se 5 2026-04-13 2026-09-14 ok
staging.cdn.trafiko.se 4 2026-04-13 2026-09-14 ok
production.cdn.trafiko.se 1 2026-04-13 2026-04-13 nxdomain
development.cdn.trafiko.se 4 2026-04-13 2026-09-14 ok
lp.trafiko.se 4 2026-06-03 2026-10-04 ok
meilisearch.services.trafiko.se 5 2026-05-14 2026-09-11 ok
meilisearch-dev.services.trafiko.se 5 2026-05-11 2026-09-08 ok
coolify.services.trafiko.se 5 2026-05-11 2026-09-08 ok
wireguardeasy.services.trafiko.se 5 2026-05-12 2026-09-09 ok
clicks.trafiko.se 2 2026-02-26 2026-07-14 ok
development.trafiko.se 1 2026-01-23 2026-01-23 ok
pdf-development.trafiko.se 1 2026-02-04 2026-02-04 ok
admin-next.trafiko.se 5 2026-05-09 2026-09-12 ok
meilisearch-dev.trafiko.se 5 2026-05-15 2026-09-20 ok
admin-next-dev.trafiko.se 6 2026-05-31 2026-10-02 ok
*.dev.trafiko.se 2 2026-06-09 2026-06-16 —
www.trafiko.se 5 2026-04-25 2026-08-27 ok

Programmatic access, with DNS A records: API GET /v1/hosts/trafiko.se (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/trafiko.se.