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.

15 hosts · 356 ms

HostCertsFirst seenLast seenDNS
factormeals.com 6 2025-12-11 2026-06-25 ok
accomplish.factormeals.com 3 2026-06-14 2026-08-13 ok
shop.factormeals.com 4 2026-07-15 2026-09-12 ok
newsletter.factormeals.com 5 2026-02-26 2026-06-25 ok
email.newsletter.factormeals.com 5 2026-05-15 2026-09-12 ok
updates.factormeals.com 5 2026-02-26 2026-06-25 ok
email.updates.factormeals.com 5 2026-05-15 2026-09-12 ok
links.factormeals.com 8 2026-04-10 2026-08-06 ok
deals.factormeals.com 5 2026-02-26 2026-06-25 ok
email.deals.factormeals.com 5 2026-05-15 2026-09-12 ok
business.factormeals.com 5 2026-05-17 2026-09-13 ok
email.u.factormeals.com 3 2026-06-22 2026-08-21 ok
www.factormeals.com 6 2025-12-11 2026-06-25 ok
privacy.factormeals.com 4 2026-07-14 2026-09-11 ok
study.factormeals.com 2 2026-09-01 2026-09-01 ok

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