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.

13 hosts · 270 ms

HostCertsFirst seenLast seenDNS
sunlightfinancial.com 8 2026-03-29 2026-09-14 ok
*.sunlightfinancial.com 18 2026-03-29 2026-10-07 —
sfgen01.sunlightfinancial.com 2 2025-12-30 2026-01-06 nxdomain
www.sfgen01.sunlightfinancial.com 2 2025-12-30 2026-01-06 nxdomain
remote.sunlightfinancial.com 6 2025-08-30 2026-09-29 ok
www.remote.sunlightfinancial.com 6 2025-08-30 2026-09-29 nxdomain
drremote.sunlightfinancial.com 3 2025-09-11 2026-09-11 nxdomain
www.drremote.sunlightfinancial.com 3 2025-09-11 2026-09-11 nxdomain
alwaysremote.sunlightfinancial.com 17 2026-06-05 2026-08-06 ok
www.alwaysremote.sunlightfinancial.com 17 2026-06-05 2026-08-06 nxdomain
link.sunlightfinancial.com 5 2026-06-05 2026-10-03 ok
info.sunlightfinancial.com 10 2026-04-23 2026-09-20 ok
www.sunlightfinancial.com 3 2026-06-06 2026-08-13 ok

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