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.

24 hosts · 368 ms

HostCertsFirst seenLast seenDNS
dwelly.group 36 2026-04-24 2026-09-22 ok
*.dwelly.group 30 2026-04-24 2026-09-22 —
image-s3.dwelly.group 4 2026-04-18 2026-08-16 ok
cb-webhooks-sbx-7c90841d.dwelly.group 3 2026-07-22 2026-09-13 ok
landlord.dwelly.group 5 2026-05-16 2026-09-17 ok
viewing.dwelly.group 5 2026-04-25 2026-08-27 ok
landlord-api.dwelly.group 5 2026-05-18 2026-09-16 ok
viewing-api.dwelly.group 4 2026-04-17 2026-08-16 ok
tenant-api.dwelly.group 5 2026-05-18 2026-09-16 ok
*.api.dwelly.group 16 2026-04-24 2026-09-01 —
notifications.api.dwelly.group 5 2026-05-27 2026-09-24 ok
landingapi.dwelly.group 15 2026-05-04 2026-09-02 ok
cdn.dwelly.group 5 2026-05-04 2026-09-02 ok
provider.dwelly.group 7 2026-04-22 2026-09-25 ok
test-provider.dwelly.group 5 2026-05-20 2026-09-17 ok
publications.dwelly.group 16 2026-06-01 2026-09-30 ok
chat.dwelly.group 5 2026-05-30 2026-09-27 ok
*.chat.dwelly.group 8 2026-05-06 2026-09-01 —
tenant.dwelly.group 5 2026-05-16 2026-09-18 ok
*.font.dwelly.group 16 2026-04-24 2026-09-01 —
api.front.dwelly.group 16 2026-04-24 2026-09-01 nxdomain
vpn-gcp.ext.dwelly.group 2 2026-07-24 2026-07-24 ok
www.dwelly.group 5 2026-04-30 2026-09-03 ok
cb-webhooks-sbx.dwelly.group 1 2026-07-21 2026-07-21 ok

Programmatic access, with DNS A records: API GET /v1/hosts/dwelly.group (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/dwelly.group.