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.

9 hosts · 350 ms

HostCertsFirst seenLast seenDNS
shredbaltimore.com 12 2026-05-14 2026-09-30 ok
*.shredbaltimore.com 7 2026-05-14 2026-09-09 —
growth.shredbaltimore.com 1 2026-08-19 2026-08-19 ok
webdisk.shredbaltimore.com 5 2026-05-31 2026-09-30 ok
cpanel.shredbaltimore.com 5 2026-05-31 2026-09-30 ok
webmail.shredbaltimore.com 5 2026-05-31 2026-09-30 ok
cpcalendars.shredbaltimore.com 5 2026-05-31 2026-09-30 ok
cpcontacts.shredbaltimore.com 5 2026-05-31 2026-09-30 ok
www.shredbaltimore.com 5 2026-05-31 2026-09-30 ok

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